diff --git a/AK/Windows.h b/AK/Windows.h
index bc5076b2a6..8778b89203 100644
--- a/AK/Windows.h
+++ b/AK/Windows.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2024, stasoid <stasoid@yahoo.com>
+ * Copyright (c) 2025, ayeteadoe <ayeteadoe@gmail.com>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -9,6 +10,7 @@
 
 #pragma once
 
+#include <AK/Assertions.h>
 #include <AK/Platform.h>
 
 #ifdef AK_OS_WINDOWS // needed for Swift
@@ -18,4 +20,40 @@
 #    undef IN
 #    pragma comment(lib, "ws2_32.lib")
 #    include <io.h>
+#    include <stdlib.h>
+
+inline void initiate_wsa()
+{
+    WSADATA wsa;
+    WORD version = MAKEWORD(2, 2);
+    int rc = WSAStartup(version, &wsa);
+    VERIFY(rc == 0 && wsa.wVersion == version);
+}
+
+inline void terminate_wsa()
+{
+    int rc = WSACleanup();
+    VERIFY(rc == 0);
+}
+
+static void invalid_parameter_handler(wchar_t const*, wchar_t const*, wchar_t const*, unsigned int, uintptr_t)
+{
+}
+
+inline void override_crt_invalid_parameter_handler()
+{
+    // Make _get_osfhandle return -1 instead of crashing on invalid fd in release (debug still __debugbreak's)
+    _set_invalid_parameter_handler(invalid_parameter_handler);
+}
+
+inline void windows_init()
+{
+    initiate_wsa();
+    override_crt_invalid_parameter_handler();
+}
+
+inline void windows_shutdown()
+{
+    terminate_wsa();
+}
 #endif
diff --git a/Libraries/LibCore/SystemWindows.cpp b/Libraries/LibCore/SystemWindows.cpp
index 7a0eda67b0..6d1e51f080 100644
--- a/Libraries/LibCore/SystemWindows.cpp
+++ b/Libraries/LibCore/SystemWindows.cpp
@@ -23,24 +23,6 @@ namespace Core::System {
 
 int windows_socketpair(SOCKET socks[2], int make_overlapped);
 
-static void invalid_parameter_handler(wchar_t const*, wchar_t const*, wchar_t const*, unsigned int, uintptr_t)
-{
-}
-
-static int init_crt_and_wsa()
-{
-    WSADATA wsa;
-    WORD version = MAKEWORD(2, 2);
-    int rc = WSAStartup(version, &wsa);
-    VERIFY(!rc && wsa.wVersion == version);
-
-    // Make _get_osfhandle return -1 instead of crashing on invalid fd in release (debug still __debugbreak's)
-    _set_invalid_parameter_handler(invalid_parameter_handler);
-    return 0;
-}
-
-static auto dummy = init_crt_and_wsa();
-
 ErrorOr<int> open(StringView path, int options, mode_t mode)
 {
     ByteString str = path;
diff --git a/Libraries/LibMain/Main.cpp b/Libraries/LibMain/Main.cpp
index a9cc45ebcb..5410b178fd 100644
--- a/Libraries/LibMain/Main.cpp
+++ b/Libraries/LibMain/Main.cpp
@@ -10,6 +10,9 @@
 #include <LibMain/Main.h>
 #include <string.h>
 #include <time.h>
+#if defined(AK_OS_WINDOWS)
+#    include <AK/Windows.h>
+#endif
 
 namespace Main {
 
@@ -31,6 +34,10 @@ int main(int argc, char** argv)
 {
     tzset();
 
+#if defined(AK_OS_WINDOWS)
+    windows_init();
+#endif
+
     Vector<StringView> arguments;
     arguments.ensure_capacity(argc);
     for (int i = 0; i < argc; ++i)
@@ -41,6 +48,11 @@ int main(int argc, char** argv)
         .argv = argv,
         .strings = arguments.span(),
     });
+
+#if defined(AK_OS_WINDOWS)
+    windows_shutdown();
+#endif
+
     if (result.is_error()) {
         auto error = result.release_error();
         warnln("\033[31;1mRuntime error\033[0m: {}", error);
diff --git a/Libraries/LibTest/TestMain.cpp b/Libraries/LibTest/TestMain.cpp
index 4c95faf0f5..ca9d1ad43a 100644
--- a/Libraries/LibTest/TestMain.cpp
+++ b/Libraries/LibTest/TestMain.cpp
@@ -8,6 +8,9 @@
 #include <AK/Format.h>
 #include <AK/Vector.h>
 #include <LibTest/TestSuite.h>
+#if defined(AK_OS_WINDOWS)
+#    include <AK/Windows.h>
+#endif
 
 #define TEST_MAIN main
 
@@ -18,6 +21,10 @@ int TEST_MAIN(int argc, char** argv)
         return 1;
     }
 
+#if defined(AK_OS_WINDOWS)
+    windows_init();
+#endif
+
     Vector<StringView> arguments;
     arguments.ensure_capacity(argc);
     for (auto i = 0; i < argc; ++i)
@@ -25,6 +32,9 @@ int TEST_MAIN(int argc, char** argv)
 
     int ret = ::Test::TestSuite::the().main(argv[0], arguments);
     ::Test::TestSuite::release();
+#if defined(AK_OS_WINDOWS)
+    windows_shutdown();
+#endif
     // As TestSuite::main() returns the number of test cases that did not pass,
     // ret can be >=256 which cannot be returned as an exit status directly.
     // Return 0 if all of the test cases pass and return 1 otherwise.