Using RunAsAdminMSIExtTinkerer.exe is as simple as
- Run the executable named RunAsAdminMSIExtTinkerer.exe as Administrator
- Tick the check box to enable Run as Administrator for msi files
- Clear the Tick in the check box to disable Run as Administrator for msi files
There is a user guide with screenshots attached to the redistributable package on te Downloads section.
is also available as a direct download from the Downloads section.