Original instructions here: https://obsproject.com/wiki/Build-Instructions-For-Windows

• https://visualstudio.microsoft.com/vs/
• At the time of writing VS2022 Community Edition is suggested:
  • https://c2rsetup.officeapps.live.com/c2r/downloadVS.aspx?sku=community&channel=Release&version=VS2022
• You must select Desktop development with C++; keep other checkboxes at defaults
• Under sub-menu of Desktop development with C++ also check Windows 10 SDK
  • At the time of writing version 10.0.20348.0 is the latest and recommended

• https://github.com/obsproject/obs-deps/releases?q=windows
• X64 at the time of writing:
  • https://github.com/obsproject/obs-deps/releases/download/2023-04-03/windows-deps-qt6-2023-04-03-x64.zip
  • https://github.com/obsproject/obs-deps/releases/download/2023-04-12/windows-deps-2023-04-12-x64.zip
• X86 (check later if needed)
  • https://github.com/obsproject/obs-deps/releases/download/2023-04-12/windows-deps-2023-04-12-x86.zip
  • https://github.com/obsproject/obs-deps/releases/download/2023-04-03/windows-deps-qt6-2023-04-03-x86.zip
• extract to c:\obs-build-dependencies\windows-deps

• https://github.com/obsproject/obs-deps/releases/download/2023-04-12/windows-deps-qt6-2023-04-12-x64.zip
• extract to c:\Qt\Qt6

• https://cdn-fastly.obsproject.com/downloads/cef_binary_5060_windows_x64.zip
• https://cdn-fastly.obsproject.com/downloads/cef_binary_5060_windows_x86.zip
• extract to c:\obs-build-dependencies\cef-binary

• open git bash
• cd /c/Users/<username>/Documents
• For vanilla OBS:
  git clone --recursive https://github.com/obsproject/obs-studio.git
• For OBS with atomic effects:
  

  git clone --recursive https://github.com/HoneyHazard/obs-studio-atomic-effects.git
  git checkout results_stable
  

• For OBS with PixelMatchSwitcher:
  git clone --recursive https://github.com/PixelMatchSwitcher/obs-studio-pixel-match-switcher.git

• install CMake GUI 3.24+ (or use cmake however way floats your boat):
  https://cmake.org/download/

• add/configure cmake variables:
  

  variable	name
  CMAKE_PREFIX_PATH	c:/obs-build-dependencies/windows-deps
  CEF_ROOT_DIR	c:/obs-build-dependencies/cef-binary
  CEF_INCLUDE_DIR	c:/obs-build-dependencies/cef-binary
  CEF_LIBRARY	c:/obs-build-dependencies/cef-binary/Release/libcef.lib
  CEFWRAPPER_LIBRARY	c:/obs-build-dependencies/cef-binary/build/libcef_dll_wrapper/Release/libcef_dll_wrapper.lib
  CEFWRAPPER_LIBRARY_DEBUG	c:/obs-build-dependencies/cef-binary/build/libcef_dll_wrapper/Debug/libcef_dll_wrapper.lib
  VIRTUALCAM_GUID	A3FCE0F5-3493-419F-958A-ABA1250EC20B
  TWITCH_CLIENTID	secret!
  TWITCH_HASH	secret!
  RESTREAM_CLIENTID	secret!
  RESTREAM_HASH	secret!
  YOUTUBE_CLIENTID	secret!
  YOUTUBE_SECRET	secret!
  YOUTUBE_CLIENTID_HASH	secret!
  YOUTUBE_SECRET_HASH	secret!

• Click Configure, then Generate