Install Windows 7 Ultimate, transform the RAM into 32gb, change the processor into an I7-3770k, physically split the harddrive into 4 SSDs (3TB each) with RAID 01 on it and transform the screen into a 42inch plasma display all in one click. Call it the F13 key.
Shift+3 - Print £1 000 000.
CTRL-ALT-DELETE - Make the computer respond again.
Alt-Shift-Numlock - Nothing. My mates at school spam this just to make the annoying noise.