diff --git a/PCSX2_suite.sln b/PCSX2_suite.sln
index d8c3861ee6..6bad0b28f4 100644
--- a/PCSX2_suite.sln
+++ b/PCSX2_suite.sln
@@ -18,12 +18,16 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Include", "Include", "{0FAD
 		common\include\afxresmw.h = common\include\afxresmw.h
 		common\include\Pcsx2Defs.h = common\include\Pcsx2Defs.h
 		common\include\Pcsx2Types.h = common\include\Pcsx2Types.h
-		common\include\PluginCallbacks.h = common\include\PluginCallbacks.h
 	EndProjectSection
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tools", "Tools", "{2D6F0A62-A247-4CCF-947F-FCD54BE16103}"
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "pcsx2", "pcsx2\windows\VCprojects\pcsx2.vcxproj", "{1CEFD830-2B76-4596-A4EE-BCD7280A60BD}"
+	ProjectSection(ProjectDependencies) = postProject
+		{12728250-16EC-4DC6-94D7-E21DD88947F8} = {12728250-16EC-4DC6-94D7-E21DD88947F8}
+		{27F17499-A372-4408-8AFA-4F9F4584FBD3} = {27F17499-A372-4408-8AFA-4F9F4584FBD3}
+		{78B079BD-9FC7-4B9E-B4A6-96DA0F00248B} = {78B079BD-9FC7-4B9E-B4A6-96DA0F00248B}
+	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SoundTouch", "3rdparty\soundtouch\SoundTouch.vcxproj", "{E9B51944-7E6D-4BCD-83F2-7BBD5A46182D}"
 EndProject
diff --git a/pcsx2/DEV9/Win32/Win32.cpp b/pcsx2/DEV9/Win32/Win32.cpp
index e3c46608f2..d4770946ec 100644
--- a/pcsx2/DEV9/Win32/Win32.cpp
+++ b/pcsx2/DEV9/Win32/Win32.cpp
@@ -16,17 +16,18 @@
 #include "PrecompiledHeader.h"
 #include <stdio.h>
 #include <commdlg.h>
+#include <commctrl.h>
 
 #include <string>
 #include "ghc/filesystem.h"
 #include "fmt/format.h"
 
-#include "..\Config.h"
+#include "DEV9/Config.h"
 #include "resource.h"
-#include "..\DEV9.h"
-#include "..\pcap_io.h"
-#include "..\net.h"
-#include "..\PacketReader\IP\IP_Address.h"
+#include "DEV9/DEV9.h"
+#include "DEV9/pcap_io.h"
+#include "DEV9/net.h"
+#include "DEV9/PacketReader\IP\IP_Address.h"
 #include "tap.h"
 #include "AppCoreThread.h"
 
diff --git a/pcsx2/GS/GS.h b/pcsx2/GS/GS.h
index 4e16782fb2..60c521aec2 100644
--- a/pcsx2/GS/GS.h
+++ b/pcsx2/GS/GS.h
@@ -25,8 +25,6 @@
 
 #ifdef _WIN32
 
-#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
-
 #include <windows.h>
 #include <commctrl.h>
 #include <commdlg.h>
@@ -113,7 +111,11 @@
 #include <memory>
 #include <bitset>
 
+#ifdef __POSIX__
 #include <zlib.h>
+#else
+#include <zlib/zlib.h>
+#endif
 
 #include <unordered_map>
 #include <unordered_set>
@@ -1968,4 +1970,4 @@ extern bool gsopen_done;
 
 
 void GSDoFreezeOut(void* dest);
-void GSDoFreezeIn(pxInputStream& infp);
+void GSDoFreezeIn(pxInputStream& infp);
\ No newline at end of file
diff --git a/pcsx2/GS/GS_types.h b/pcsx2/GS/GS_types.h
index 326b1f7af7..02aa51d117 100644
--- a/pcsx2/GS/GS_types.h
+++ b/pcsx2/GS/GS_types.h
@@ -54,6 +54,34 @@ typedef signed long long sint64;
 
 #endif
 
+#ifdef _WIN32
+inline std::string convert_utf16_to_utf8(const std::wstring& utf16_string)
+{
+	const int size = WideCharToMultiByte(CP_UTF8, 0, utf16_string.c_str(), utf16_string.size(), nullptr, 0, nullptr, nullptr);
+	std::string converted_string(size, 0);
+	WideCharToMultiByte(CP_UTF8, 0, utf16_string.c_str(), utf16_string.size(), converted_string.data(), converted_string.size(), nullptr, nullptr);
+	return converted_string;
+}
+
+inline std::wstring convert_utf8_to_utf16(const std::string& utf8_string)
+{
+	int size = MultiByteToWideChar(CP_UTF8, 0, utf8_string.c_str(), -1, nullptr, 0);
+	std::vector<wchar_t> converted_string(size);
+	MultiByteToWideChar(CP_UTF8, 0, utf8_string.c_str(), -1, converted_string.data(), converted_string.size());
+	return {converted_string.data()};
+}
+#endif
+
+// _wfopen has to be used on Windows for pathnames containing non-ASCII characters.
+inline FILE* px_fopen(const std::string& filename, const std::string& mode)
+{
+#ifdef _WIN32
+	return _wfopen(convert_utf8_to_utf16(filename).c_str(), convert_utf8_to_utf16(mode).c_str());
+#else
+	return fopen(filename.c_str(), mode.c_str());
+#endif
+}
+
 #define _MM_TRANSPOSE4_SI128(row0, row1, row2, row3) \
 	{ \
 		__m128 tmp0 = _mm_shuffle_ps(_mm_castsi128_ps(row0), _mm_castsi128_ps(row1), 0x44); \
@@ -70,22 +98,10 @@ typedef signed long long sint64;
 extern void* vmalloc(size_t size, bool code);
 extern void vmfree(void* ptr, size_t size);
 
-// _wfopen has to be used on Windows for pathnames containing non-ASCII characters.
-inline FILE* px_fopen(const std::string& filename, const std::string& mode)
-{
-#ifdef _WIN32
-	return _wfopen(convert_utf8_to_utf16(filename).c_str(), convert_utf8_to_utf16(mode).c_str());
-#else
-	return fopen(filename.c_str(), mode.c_str());
-#endif
-}
-
 #define countof(a) (sizeof(a) / sizeof(a[0]))
 
 #ifdef __cpp_constinit
 #define CONSTINIT constinit
-#elif __has_attribute(require_constant_initialization)
-#define CONSTINIT __attribute__((require_constant_initialization))
 #else
 #define CONSTINIT
 #endif
diff --git a/pcsx2/GS/Renderers/Common/GSOsdManager.h b/pcsx2/GS/Renderers/Common/GSOsdManager.h
index 281508d953..e98352ba5d 100644
--- a/pcsx2/GS/Renderers/Common/GSOsdManager.h
+++ b/pcsx2/GS/Renderers/Common/GSOsdManager.h
@@ -19,7 +19,7 @@
 #include "GS/GSVector.h"
 #include "GSVertex.h"
 #include "GSTexture.h"
-#include <ft2build.h>
+#include "ft2build.h"
 #include FT_FREETYPE_H
 
 class GSOsdManager
diff --git a/pcsx2/GS/Renderers/OpenGL/GSDeviceOGL.cpp b/pcsx2/GS/Renderers/OpenGL/GSDeviceOGL.cpp
index 969ba1dcbd..9c86f69d25 100644
--- a/pcsx2/GS/Renderers/OpenGL/GSDeviceOGL.cpp
+++ b/pcsx2/GS/Renderers/OpenGL/GSDeviceOGL.cpp
@@ -23,7 +23,7 @@
 //#define ONLY_LINES
 
 #ifdef _WIN32
-#include "resource.h"
+#include "GS/resource.h"
 #else
 #include "GS_res.h"
 #endif
diff --git a/pcsx2/GS/Renderers/OpenGL/GSShaderOGL.cpp b/pcsx2/GS/Renderers/OpenGL/GSShaderOGL.cpp
index 60b5e06b2e..64af609145 100644
--- a/pcsx2/GS/Renderers/OpenGL/GSShaderOGL.cpp
+++ b/pcsx2/GS/Renderers/OpenGL/GSShaderOGL.cpp
@@ -18,7 +18,7 @@
 #include "GLState.h"
 
 #ifdef _WIN32
-#include "resource.h"
+#include "GS/resource.h"
 #else
 #include "GS_res.h"
 #endif
diff --git a/pcsx2/PAD/Windows/PAD.cpp b/pcsx2/PAD/Windows/PAD.cpp
index b45741e938..1136782a68 100644
--- a/pcsx2/PAD/Windows/PAD.cpp
+++ b/pcsx2/PAD/Windows/PAD.cpp
@@ -1554,7 +1554,7 @@ keyEvent* PADkeyEvent()
 	return &ev;
 }
 
-struct PadFreezeData
+struct PadFullFreezeData
 {
 	char format[8];
 	// Currently all different versions are incompatible.
@@ -1577,13 +1577,13 @@ s32 PADfreeze(int mode, freezeData* data)
 
 	if (mode == FREEZE_SIZE)
 	{
-		data->size = sizeof(PadFreezeData);
+		data->size = sizeof(PadFullFreezeData);
 	}
 	else if (mode == FREEZE_LOAD)
 	{
-		PadFreezeData& pdata = *(PadFreezeData*)(data->data);
+		PadFullFreezeData& pdata = *(PadFullFreezeData*)(data->data);
 		StopVibrate();
-		if (data->size != sizeof(PadFreezeData) ||
+		if (data->size != sizeof(PadFullFreezeData) ||
 			pdata.version != PAD_SAVE_STATE_VERSION ||
 			strcmp(pdata.format, "PadMode"))
 			return 0;
@@ -1620,9 +1620,9 @@ s32 PADfreeze(int mode, freezeData* data)
 	}
 	else if (mode == FREEZE_SAVE)
 	{
-		if (data->size != sizeof(PadFreezeData))
+		if (data->size != sizeof(PadFullFreezeData))
 			return 0;
-		PadFreezeData& pdata = *(PadFreezeData*)(data->data);
+		PadFullFreezeData& pdata = *(PadFullFreezeData*)(data->data);
 
 
 		// Tales of the Abyss - pad fix
diff --git a/pcsx2/PAD/Windows/PAD.h b/pcsx2/PAD/Windows/PAD.h
index 3c948f8cc8..53dae2797b 100644
--- a/pcsx2/PAD/Windows/PAD.h
+++ b/pcsx2/PAD/Windows/PAD.h
@@ -33,6 +33,7 @@
 #include <mutex>
 #include <queue>
 
+#include "App.h"
 
 typedef struct
 {
diff --git a/pcsx2/PAD/Windows/PADConfig.cpp b/pcsx2/PAD/Windows/PADConfig.cpp
index 88b4a10e73..ae45f70c42 100644
--- a/pcsx2/PAD/Windows/PADConfig.cpp
+++ b/pcsx2/PAD/Windows/PADConfig.cpp
@@ -1363,7 +1363,7 @@ void AddTooltip(UINT id, HWND hWnd)
 {
 	static UINT tooltipStructSize = GetTooltipStructSize();
 	bool hasTooltip;
-	LPWSTR message = dialog_message(id, &hasTooltip);
+	LPWSTR message = pad_dialog_message(id, &hasTooltip);
 	if (!hasTooltip)
 		return;
 
diff --git a/pcsx2/PAD/Windows/Tooltips.cpp b/pcsx2/PAD/Windows/Tooltips.cpp
index 04c6703854..1a807b8f38 100644
--- a/pcsx2/PAD/Windows/Tooltips.cpp
+++ b/pcsx2/PAD/Windows/Tooltips.cpp
@@ -17,7 +17,7 @@
 #include "Global.h"
 #include "resource_pad.h"
 
-LPWSTR dialog_message(int ID, bool* updateText)
+LPWSTR pad_dialog_message(int ID, bool* updateText)
 {
 	if (updateText)
 		*updateText = true;
diff --git a/pcsx2/PAD/Windows/Tooltips.h b/pcsx2/PAD/Windows/Tooltips.h
index 451f95a1f5..a0933a7f57 100644
--- a/pcsx2/PAD/Windows/Tooltips.h
+++ b/pcsx2/PAD/Windows/Tooltips.h
@@ -18,6 +18,6 @@
 
 #include "Global.h"
 
-LPWSTR dialog_message(int ID, bool* updateText = false);
+LPWSTR pad_dialog_message(int ID, bool* updateText = false);
 
 #endif
diff --git a/pcsx2/USB/usb-mic/audiodev-wasapi.h b/pcsx2/USB/usb-mic/audiodev-wasapi.h
index 58b3927186..981d0738a4 100644
--- a/pcsx2/USB/usb-mic/audiodev-wasapi.h
+++ b/pcsx2/USB/usb-mic/audiodev-wasapi.h
@@ -16,7 +16,7 @@
 // Used OBS as example
 
 #include "audiodeviceproxy.h"
-#include "USB/libsamplerate/samplerate.h"
+#include <libsamplerate/samplerate.h>
 #include "USB/shared/ringbuffer.h"
 
 #include <mmdeviceapi.h>
diff --git a/pcsx2/windows/VCprojects/pcsx2.vcxproj b/pcsx2/windows/VCprojects/pcsx2.vcxproj
index a7d0cef59b..364f71e32c 100644
--- a/pcsx2/windows/VCprojects/pcsx2.vcxproj
+++ b/pcsx2/windows/VCprojects/pcsx2.vcxproj
@@ -57,7 +57,7 @@
   </PropertyGroup>
   <ItemDefinitionGroup>
     <ClCompile>
-      <AdditionalIncludeDirectories>$(ProjectRootDir)/gui;$(SvnRootDir)\3rdparty\xbyak;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectRootDir)/gui;$(SolutionDir)3rdparty\xbyak;$(SolutionDir)3rdparty\freetype\include;$(SolutionDir)3rdparty\xz\xz\src\liblzma\api;$(SolutionDir)3rdparty/baseclasses/;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <ExceptionHandling>Async</ExceptionHandling>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>PrecompiledHeader.h</PrecompiledHeaderFile>
@@ -475,7 +475,6 @@
     <ClCompile Include="..\..\GS\Renderers\SW\GSDrawScanlineCodeGenerator.x86.avx2.cpp" />
     <ClCompile Include="..\..\GS\Renderers\SW\GSDrawScanlineCodeGenerator.x86.cpp" />
     <ClCompile Include="..\..\GS\GSDump.cpp" />
-    <ClCompile Include="..\..\GS\GSdx.cpp" />
     <ClCompile Include="..\..\GS\Renderers\Common\GSFunctionMap.cpp" />
     <ClCompile Include="..\..\GS\Renderers\HW\GSHwHack.cpp" />
     <ClCompile Include="..\..\GS\GSLocalMemory.cpp" />
diff --git a/pcsx2/windows/VCprojects/pcsx2.vcxproj.filters b/pcsx2/windows/VCprojects/pcsx2.vcxproj.filters
index d0813de575..b2aedad2a4 100644
--- a/pcsx2/windows/VCprojects/pcsx2.vcxproj.filters
+++ b/pcsx2/windows/VCprojects/pcsx2.vcxproj.filters
@@ -1392,9 +1392,6 @@
     <ClCompile Include="..\..\GS\GSDump.cpp">
       <Filter>System\Ps2\GS</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\GS\GSdx.cpp">
-      <Filter>System\Ps2\GS</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\GS\Renderers\Common\GSFunctionMap.cpp">
       <Filter>System\Ps2\GS</Filter>
     </ClCompile>