diff --git a/src/client/component/updater.cpp b/src/client/component/updater.cpp
new file mode 100644
index 0000000..920aea1
--- /dev/null
+++ b/src/client/component/updater.cpp
@@ -0,0 +1,217 @@
+#include <std_include.hpp>
+#include "loader/component_loader.hpp"
+#include "splash.hpp"
+
+#include <version.hpp>
+
+#include <utils/io.hpp>
+#include <utils/http.hpp>
+#include <utils/compression.hpp>
+#include <utils/progress_ui.hpp>
+
+#define VERSION_URL "https://nightly.link/momo5502/boiii/workflows/build/" GIT_BRANCH "/Version.zip"
+#define BINARY_URL "https://nightly.link/momo5502/boiii/workflows/build/" GIT_BRANCH "/Release%20Binary.zip"
+
+namespace updater
+{
+	namespace
+	{
+		std::string get_version_zip()
+		{
+			const auto version_zip = utils::http::get_data(VERSION_URL);
+			if (!version_zip || version_zip->empty())
+			{
+				throw std::runtime_error("Invalid version data");
+			}
+
+			return *version_zip;
+		}
+
+		std::string get_version()
+		{
+			const auto zip = get_version_zip();
+			auto res = utils::compression::zip::extract(zip);
+			return res["version.txt"];
+		}
+
+		bool requires_update()
+		{
+			return get_version() != GIT_HASH;
+		}
+
+		std::string get_self_file()
+		{
+			const auto self = utils::nt::library::get_by_address(get_self_file);
+			return self.get_path();
+		}
+
+		std::string get_leftover_file()
+		{
+			return get_self_file() + ".old";
+		}
+
+		std::string download_update(utils::progress_ui& progress_ui)
+		{
+			const auto data = utils::http::get_data(
+				BINARY_URL, {}, [&progress_ui](const size_t total, const size_t current)
+				{
+					if (progress_ui.is_cancelled())
+					{
+						throw std::runtime_error("Cancelled");
+					}
+
+					if (total > 0)
+					{
+						progress_ui.set_progress(current, total);
+					}
+				});
+
+			if (!data)
+			{
+				throw std::runtime_error("Invalid binary");
+			}
+
+			return *data;
+		}
+
+		void activate_update()
+		{
+			utils::nt::relaunch_self();
+			TerminateProcess(GetCurrentProcess(), 0);
+		}
+
+		std::string get_binary(const std::string& data)
+		{
+			auto res = utils::compression::zip::extract(data);
+			if (res.size() == 1)
+			{
+				for (auto& file : res)
+				{
+					return std::move(file.second);
+				}
+			}
+
+			throw std::runtime_error("Invalid data");
+		}
+
+		void cleanup_update()
+		{
+			const auto leftover_file = get_leftover_file();
+			for (size_t i = 0; i < 3; ++i)
+			{
+				if (utils::io::remove_file(leftover_file))
+				{
+					break;
+				}
+
+				std::this_thread::sleep_for(1s);
+			}
+		}
+
+		void perform_update()
+		{
+			utils::progress_ui progress_ui{};
+			progress_ui.set_title("Updating BOIII");
+			progress_ui.set_line(1, "Downloading update...");
+			progress_ui.show(true);
+
+			const auto update_data = download_update(progress_ui);
+
+			if (progress_ui.is_cancelled())
+			{
+				return;
+			}
+
+			// Is it good to add artificial sleeps?
+			// Makes the ui nice, for sure.
+			std::this_thread::sleep_for(2s);
+
+			progress_ui.set_line(1, "Installing update...");
+			progress_ui.set_progress(1, 1);
+
+			const auto self_file = get_self_file();
+			const auto leftover_file = get_leftover_file();
+
+			const auto binary = get_binary(update_data);
+
+			cleanup_update();
+			utils::io::move_file(self_file, leftover_file);
+			utils::io::write_file(self_file, binary);
+
+			std::this_thread::sleep_for(2s);
+		}
+	}
+
+	class component final : public component_interface
+	{
+	public:
+		component()
+		{
+			cleanup_update();
+
+			this->update_thread_ = std::thread([this]
+			{
+				this->update();
+			});
+		}
+
+		~component() override
+		{
+			if (this->update_thread_.joinable())
+			{
+				this->update_thread_.detach();
+			}
+		}
+
+		void pre_start() override
+		{
+			join();
+		}
+
+		void pre_destroy() override
+		{
+			join();
+		}
+
+		void post_unpack() override
+		{
+			join();
+		}
+
+		int priority() override
+		{
+			return 999;
+		}
+
+	private:
+		std::thread update_thread_{};
+
+		void join()
+		{
+			if (this->update_thread_.joinable())
+			{
+				this->update_thread_.join();
+			}
+		}
+
+		void update()
+		{
+			try
+			{
+				if (requires_update())
+				{
+					splash::hide();
+					perform_update();
+					activate_update();
+				}
+			}
+			catch (...)
+			{
+			}
+		}
+	};
+}
+
+#if !defined(DEBUG) && defined(CI)
+REGISTER_COMPONENT(updater::component)
+#endif
diff --git a/src/common/utils/com.cpp b/src/common/utils/com.cpp
index 83cfc47..efb1fe0 100644
--- a/src/common/utils/com.cpp
+++ b/src/common/utils/com.cpp
@@ -12,45 +12,49 @@ namespace utils::com
 {
 	namespace
 	{
-		[[maybe_unused]] class _
+		void initialize_com()
 		{
-		public:
-			_()
+			static struct x
 			{
-				if(FAILED(CoInitialize(nullptr)))
+				x()
 				{
-					throw std::runtime_error("Failed to initialize the component object model");
+					if (FAILED(CoInitialize(nullptr)))
+					{
+						throw std::runtime_error("Failed to initialize the component object model");
+					}
 				}
-			}
 
-			~_()
-			{
-				CoUninitialize();
-			}
-		} __;
+				~x()
+				{
+					CoUninitialize();
+				}
+			} xx;
+		}
 	}
 
 	bool select_folder(std::string& out_folder, const std::string& title, const std::string& selected_folder)
 	{
+		initialize_com();
+
 		CComPtr<IFileOpenDialog> file_dialog{};
-		if(FAILED(CoCreateInstance(CLSID_FileOpenDialog, nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&file_dialog))))
+		if (FAILED(CoCreateInstance(CLSID_FileOpenDialog, nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&file_dialog))))
 		{
 			throw std::runtime_error("Failed to create co instance");
 		}
 
 		DWORD dw_options;
-		if(FAILED(file_dialog->GetOptions(&dw_options)))
+		if (FAILED(file_dialog->GetOptions(&dw_options)))
 		{
 			throw std::runtime_error("Failed to get options");
 		}
 
-		if(FAILED(file_dialog->SetOptions(dw_options | FOS_PICKFOLDERS)))
+		if (FAILED(file_dialog->SetOptions(dw_options | FOS_PICKFOLDERS)))
 		{
 			throw std::runtime_error("Failed to set options");
 		}
 
-		std::wstring wide_title(title.begin(), title.end());
-		if(FAILED(file_dialog->SetTitle(wide_title.data())))
+		const std::wstring wide_title(title.begin(), title.end());
+		if (FAILED(file_dialog->SetTitle(wide_title.data())))
 		{
 			throw std::runtime_error("Failed to set title");
 		}
@@ -69,7 +73,7 @@ namespace utils::com
 			}
 
 			IShellItem* shell_item = nullptr;
-			if(FAILED(SHCreateItemFromParsingName(wide_selected_folder.data(), NULL, IID_PPV_ARGS(&shell_item))))
+			if (FAILED(SHCreateItemFromParsingName(wide_selected_folder.data(), NULL, IID_PPV_ARGS(&shell_item))))
 			{
 				throw std::runtime_error("Failed to create item from parsing name");
 			}
@@ -81,7 +85,7 @@ namespace utils::com
 		}
 
 		const auto result = file_dialog->Show(nullptr);
-		if(result == HRESULT_FROM_WIN32(ERROR_CANCELLED))
+		if (result == HRESULT_FROM_WIN32(ERROR_CANCELLED))
 		{
 			return false;
 		}
@@ -92,13 +96,13 @@ namespace utils::com
 		}
 
 		CComPtr<IShellItem> result_item{};
-		if(FAILED(file_dialog->GetResult(&result_item)))
+		if (FAILED(file_dialog->GetResult(&result_item)))
 		{
 			throw std::runtime_error("Failed to get result");
 		}
 
 		PWSTR raw_path = nullptr;
-		if(FAILED(result_item->GetDisplayName(SIGDN_FILESYSPATH, &raw_path)))
+		if (FAILED(result_item->GetDisplayName(SIGDN_FILESYSPATH, &raw_path)))
 		{
 			throw std::runtime_error("Failed to get path display name");
 		}
@@ -116,8 +120,11 @@ namespace utils::com
 
 	CComPtr<IProgressDialog> create_progress_dialog()
 	{
+		initialize_com();
+
 		CComPtr<IProgressDialog> progress_dialog{};
-		if(FAILED(CoCreateInstance(CLSID_ProgressDialog, nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&progress_dialog))))
+		if (FAILED(
+			CoCreateInstance(CLSID_ProgressDialog, nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&progress_dialog))))
 		{
 			throw std::runtime_error("Failed to create co instance");
 		}
diff --git a/src/common/utils/compression.cpp b/src/common/utils/compression.cpp
index 7354c6a..d2a0d17 100644
--- a/src/common/utils/compression.cpp
+++ b/src/common/utils/compression.cpp
@@ -3,6 +3,7 @@
 
 #include <zlib.h>
 #include <zip.h>
+#include <unzip.h>
 
 #include "io.hpp"
 #include "finally.hpp"
@@ -164,5 +165,235 @@ namespace utils::compression
 
 			return true;
 		}
+
+		namespace
+		{
+			std::optional<std::pair<std::string, std::string>> read_zip_file_entry(unzFile& zip_file)
+			{
+				char filename[1024]{};
+				unz_file_info file_info{};
+				if (unzGetCurrentFileInfo(zip_file, &file_info, filename, sizeof(filename), nullptr, 0, nullptr, 0) !=
+					UNZ_OK)
+				{
+					return {};
+				}
+
+				if (unzOpenCurrentFile(zip_file) != UNZ_OK)
+				{
+					return {};
+				}
+
+				auto _ = finally([&zip_file]
+				{
+					unzCloseCurrentFile(zip_file);
+				});
+
+				int error = UNZ_OK;
+				std::string out_buffer{};
+				static thread_local char buffer[0x2000];
+
+				do
+				{
+					error = unzReadCurrentFile(zip_file, buffer, sizeof(buffer));
+					if (error < 0)
+					{
+						return {};
+					}
+
+					// Write data to file.
+					if (error > 0)
+					{
+						out_buffer.append(buffer, error);
+					}
+				}
+				while (error > 0);
+
+				return std::pair<std::string, std::string>{filename, out_buffer};
+			}
+
+			class memory_file
+			{
+			public:
+				memory_file(const std::string& data)
+					: data_(data)
+				{
+					func_def_.opaque = this;
+					func_def_.zopen64_file = open_file_static;
+					func_def_.zseek64_file = seek_file_static;
+					func_def_.ztell64_file = tell_file_static;
+					func_def_.zread_file = read_file_static;
+					func_def_.zwrite_file = write_file_static;
+					func_def_.zclose_file = close_file_static;
+					func_def_.zerror_file = testerror_file_static;
+				}
+
+				const char* get_name() const
+				{
+					return "blub";
+				}
+
+				zlib_filefunc64_def* get_func_def()
+				{
+					return &this->func_def_;
+				}
+
+			private:
+				const std::string& data_;
+				size_t offset_{0};
+				zlib_filefunc64_def func_def_{};
+
+				voidpf open_file(const void* filename, const int mode) const
+				{
+					if (mode != (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_EXISTING))
+					{
+						return nullptr;
+					}
+
+					if (strcmp(static_cast<const char*>(filename), get_name()) != 0)
+					{
+						return nullptr;
+					}
+
+					return reinterpret_cast<voidpf>(1);
+				}
+
+				long seek_file(const voidpf stream, const ZPOS64_T offset, const int origin)
+				{
+					if (stream != reinterpret_cast<voidpf>(1))
+					{
+						return -1;
+					}
+
+					size_t target_base = this->data_.size();
+					if (origin == ZLIB_FILEFUNC_SEEK_CUR)
+					{
+						target_base = this->offset_;
+					}
+					else if (origin == ZLIB_FILEFUNC_SEEK_SET)
+					{
+						target_base = 0;
+					}
+
+					const auto target_offset = target_base + offset;
+					if (target_offset > this->data_.size())
+					{
+						return -1;
+					}
+
+					this->offset_ = target_offset;
+					return 0;
+				}
+
+				ZPOS64_T tell_file(const voidpf stream) const
+				{
+					if (stream != reinterpret_cast<voidpf>(1))
+					{
+						return static_cast<ZPOS64_T>(-1);
+					}
+
+					return this->offset_;
+				}
+
+				uLong read_file(const voidpf stream, void* buf, const uLong size)
+				{
+					if (stream != reinterpret_cast<voidpf>(1))
+					{
+						return 0;
+					}
+
+					const auto file_end = this->data_.size();
+					const auto start = this->offset_;
+					const auto end = std::min(this->offset_ + size, file_end);
+					const auto length = end - start;
+
+					memcpy(buf, this->data_.data() + start, length);
+					this->offset_ = end;
+
+					return static_cast<uLong>(length);
+				}
+
+				static voidpf open_file_static(const voidpf opaque, const void* filename, const int mode)
+				{
+					return static_cast<memory_file*>(opaque)->open_file(filename, mode);
+				}
+
+				static long seek_file_static(const voidpf opaque, const voidpf stream, const ZPOS64_T offset,
+				                             const int origin)
+				{
+					return static_cast<memory_file*>(opaque)->seek_file(stream, offset, origin);
+				}
+
+				static ZPOS64_T tell_file_static(const voidpf opaque, const voidpf stream)
+				{
+					return static_cast<memory_file*>(opaque)->tell_file(stream);
+				}
+
+				static uLong read_file_static(const voidpf opaque, const voidpf stream, void* buf, const uLong size)
+				{
+					return static_cast<memory_file*>(opaque)->read_file(stream, buf, size);
+				}
+
+				static uLong write_file_static(voidpf, voidpf, const void*, uLong)
+				{
+					return 0;
+				}
+
+				static int close_file_static(voidpf, voidpf)
+				{
+					return 0;
+				}
+
+				static int testerror_file_static(voidpf, voidpf)
+				{
+					return 0;
+				}
+			};
+		}
+
+		std::unordered_map<std::string, std::string> extract(const std::string& data)
+		{
+			memory_file mem_file(data);
+
+			auto zip_file = unzOpen2_64(mem_file.get_name(), mem_file.get_func_def());
+			auto _ = finally([&zip_file]
+			{
+				if (zip_file)
+				{
+					unzClose(zip_file);
+				}
+			});
+
+			if (!zip_file)
+			{
+				return {};
+			}
+
+			unz_global_info global_info{};
+			if (unzGetGlobalInfo(zip_file, &global_info) != UNZ_OK)
+			{
+				return {};
+			}
+
+			std::unordered_map<std::string, std::string> files{};
+			files.reserve(global_info.number_entry);
+
+			for (auto i = 0ul; i < global_info.number_entry; ++i)
+			{
+				if (i > 0 && unzGoToNextFile(zip_file) != UNZ_OK)
+				{
+					break;
+				}
+
+				auto file = read_zip_file_entry(zip_file);
+				if (!file)
+				{
+					continue;
+				}
+
+				files[std::move(file->first)] = std::move(file->second);
+			}
+
+			return files;
+		}
 	}
 }
diff --git a/src/common/utils/compression.hpp b/src/common/utils/compression.hpp
index dfe36ad..ad79734 100644
--- a/src/common/utils/compression.hpp
+++ b/src/common/utils/compression.hpp
@@ -24,5 +24,7 @@ namespace utils::compression
 		private:
 			std::unordered_map<std::string, std::string> files_;
 		};
+
+		std::unordered_map<std::string, std::string> extract(const std::string& data);
 	}
 };
diff --git a/src/common/utils/http.cpp b/src/common/utils/http.cpp
index 40795e8..70ae26f 100644
--- a/src/common/utils/http.cpp
+++ b/src/common/utils/http.cpp
@@ -10,11 +10,11 @@ namespace utils::http
 	{
 		struct progress_helper
 		{
-			const std::function<void(size_t)>* callback{};
+			const std::function<void(size_t, size_t)>* callback{};
 			std::exception_ptr exception{};
 		};
 
-		int progress_callback(void *clientp, const curl_off_t /*dltotal*/, const curl_off_t dlnow, const curl_off_t /*ultotal*/, const curl_off_t /*ulnow*/)
+		int progress_callback(void *clientp, const curl_off_t dltotal, const curl_off_t dlnow, const curl_off_t /*ultotal*/, const curl_off_t /*ulnow*/)
 		{
 			auto* helper = static_cast<progress_helper*>(clientp);
 
@@ -22,7 +22,7 @@ namespace utils::http
 			{
 				if (*helper->callback)
 				{
-					(*helper->callback)(dlnow);
+					(*helper->callback)(dltotal, dlnow);
 				}
 			}
 			catch(...)
@@ -44,7 +44,7 @@ namespace utils::http
 		}
 	}
 
-	std::optional<std::string> get_data(const std::string& url, const headers& headers, const std::function<void(size_t)>& callback)
+	std::optional<std::string> get_data(const std::string& url, const headers& headers, const std::function<void(size_t, size_t)>& callback)
 	{
 		curl_slist* header_list = nullptr;
 		auto* curl = curl_easy_init();
diff --git a/src/common/utils/http.hpp b/src/common/utils/http.hpp
index b5248bc..be9cf08 100644
--- a/src/common/utils/http.hpp
+++ b/src/common/utils/http.hpp
@@ -8,6 +8,6 @@ namespace utils::http
 {
 	using headers = std::unordered_map<std::string, std::string>;
 
-	std::optional<std::string> get_data(const std::string& url, const headers& headers = {}, const std::function<void(size_t)>& callback = {});
+	std::optional<std::string> get_data(const std::string& url, const headers& headers = {}, const std::function<void(size_t, size_t)>& callback = {});
 	std::future<std::optional<std::string>> get_data_async(const std::string& url, const headers& headers = {});
 }
diff --git a/src/common/utils/io.cpp b/src/common/utils/io.cpp
index 4968f44..a03d1bb 100644
--- a/src/common/utils/io.cpp
+++ b/src/common/utils/io.cpp
@@ -6,7 +6,12 @@ namespace utils::io
 {
 	bool remove_file(const std::string& file)
 	{
-		return DeleteFileA(file.data()) == TRUE;
+		if(DeleteFileA(file.data()) != FALSE)
+		{
+			return true;
+		}
+
+		return GetLastError() == ERROR_FILE_NOT_FOUND;
 	}
 
 	bool move_file(const std::string& src, const std::string& target)
diff --git a/src/common/utils/progress_ui.cpp b/src/common/utils/progress_ui.cpp
new file mode 100644
index 0000000..4f6b6ea
--- /dev/null
+++ b/src/common/utils/progress_ui.cpp
@@ -0,0 +1,45 @@
+#include "progress_ui.hpp"
+
+#include <utils/string.hpp>
+
+namespace utils
+{
+	progress_ui::progress_ui()
+	{
+		this->dialog_ = utils::com::create_progress_dialog();
+		if (!this->dialog_)
+		{
+			throw std::runtime_error{"Failed to create dialog"};
+		}
+	}
+
+	progress_ui::~progress_ui()
+	{
+		this->dialog_->StopProgressDialog();
+	}
+
+	void progress_ui::show(const bool marquee) const
+	{
+		this->dialog_->StartProgressDialog(nullptr, nullptr, PROGDLG_AUTOTIME | (marquee ? PROGDLG_MARQUEEPROGRESS : 0), nullptr);
+	}
+
+	void progress_ui::set_progress(const size_t current, const size_t max) const
+	{
+		this->dialog_->SetProgress64(current, max);
+	}
+
+	void progress_ui::set_line(const int line, const std::string& text) const
+	{
+		this->dialog_->SetLine(line, utils::string::convert(text).data(), false, nullptr);
+	}
+
+	void progress_ui::set_title(const std::string& title) const
+	{
+		this->dialog_->SetTitle(utils::string::convert(title).data());
+	}
+
+	bool progress_ui::is_cancelled() const
+	{
+		return this->dialog_->HasUserCancelled();
+	}
+}
diff --git a/src/common/utils/progress_ui.hpp b/src/common/utils/progress_ui.hpp
new file mode 100644
index 0000000..75b3de5
--- /dev/null
+++ b/src/common/utils/progress_ui.hpp
@@ -0,0 +1,24 @@
+#pragma once
+
+#include "com.hpp"
+
+namespace utils
+{
+	class progress_ui
+	{
+	public:
+		progress_ui();
+		~progress_ui();
+
+		void show(bool marquee) const;
+
+		void set_progress(size_t current, size_t max) const;
+		void set_line(int line, const std::string& text) const;
+		void set_title(const std::string& title) const;
+
+		bool is_cancelled() const;
+
+	private:
+		CComPtr<IProgressDialog> dialog_{};
+	};
+}