Microsoft stopped providing standalone installer packages after version 4.5. This is because the installer is now tied to the OS kernel to ensure security and compatibility.
If you are looking for specific, specialized installation tools (like the Windows SDK), ensure you are downloading them directly from the official Microsoft website to avoid malware. windows installer 50 download for windows 10 64bit new
Because Windows Installer 5.0 is tied directly to the OS, the only official way to update or patch it is through Windows Update. Go to > Update & Security > Windows Update . Click Check for updates . windows installer 50 download for windows 10 64bit new