Want to gain control of an operating system. Well besides an Administrator having full rights, a SYSTEM user also has those same rights. But not many know this. You'll have to trick the computer on doing this and with the command in dos you write the following:
First type
at 13:55 /interactive “cmd.exe” (as is)
After two minutes you should see a different command prompt.
Then type
cd.. (as is)
Then type
explorer.exe (as is)
Now you've become a SYSTEM user