How to run application under system account.

Video tutorial: How to run application with system account to install software, patches, updates, drivers as system user.
The System account can bypass the UAC, but beware it has not a whole user profile with printers, shares and other user preferences in software or the system.
In example, i authorize the complete windows\system32 path in RunAsAdmin to make it possible to run the content of the system32 folder with system account.