cef build environment for m103 Prepare Clone this repository to a folder directly on any drive (for me its E:\code) Add depot_tools to PATH system variable Add ninja to PATH system variable Run build/prepare-depot.bat Make sure Python 3.8+ is installed, it should be added above depot_tools in PATH variable Make sure VS2022 is installed Make sure 10.0.22621 SDK is installed (from visual studio installer) In build/build.bat change download-dir and depot-tools-dir to the paths where you cloned this repo Verify your environment Open a windows command prompt Type where ninja, the output should show ninja/ninja.exe and depot_tools paths Type where python, optimally it should show the path where you installed Python above depot_tools Building Run build/build.bat Relevant docs https://bitbucket.org/chromiumembedded/cef/wiki/BranchesAndBuilding https://bitbucket.org/chromiumembedded/cef/wiki/AutomatedBuildSetup.md https://bitbucket.org/chromiumembedded/cef/wiki/MasterBuildQuickStart.md