Download Makeappx.exe [better]

: makeappx.exe pack /d "C:\MySourceFiles" /p "C:\Output\MyApp.msix"

C:\Program Files (x86)\Windows Kits\10\bin\<build number>\x64\makeappx.exe download makeappx.exe

MakeAppx.exe is a command-line tool used by developers to create, encrypt, and extract files from Windows app packages (like .appx or .msix ) and bundles. It is not available as a standalone download but is included as part of official Microsoft developer toolsets. How to Get MakeAppx.exe : makeappx