New-SetupStep PlatformTools U bat -Package Google.PlatformTools -Text 'Android SDK Platform-Tools: adb, fastboot (an x86 build)'
New-SetupStep NASM U bat -Package NASM.NASM `
-X64Only 'x86/x64-only assembler; MSVC armasm64 is the native one'
+ # Not winget: its package runs the machine-wide installer into C:\msys64.
+ New-SetupStep Msys2 U bat -Text 'MSYS2 into %LOCALAPPDATA%\msys64 (no admin), with MinGW-w64 GCC: ucrt64 (x64) and mingw32 (i686, msvcrt, for XP targets)' `
+ -X64Only 'its base system is x86_64 (emulated on Arm), and the XP target it is here for is x64-box work'
New-SetupStep VirtualBox U bat -Package Oracle.VirtualBox -Text 'for the Windows 7 test VM' `
-X64Only 'no ARM64 host build, so no Windows 7 x86 test VM either' `
-NotInVM 'the test VMs belong on the physical host, not nested in a guest'