Bootstrap-InstalledUE4.ps1

# pull engine source
$EngineVersion = "4.26.1-release"
git init
git remote add origin https://github.com/EpicGames/UnrealEngine.git
git pull origin $EngineVersion

# setup prerequisites (needs admin rights)
.\Setup.bat

# extract console platform SDKs
@("Switch", "PS4", "XboxOne") | % {
    &"C:\Program Files\7-Zip\7z.exe" x ..\Archive\${_}_${EngineVersion}.zip -o".\" -aoa    
}

# generate engine project
.\GenerateProjectFiles.bat

# compile editor
devenv .\UE4.sln /Build "Development Editor|Win64" /Project UE4

# create installed engine build
.\Build-Installed.ps1