Change Power Setting to High Performance

Question:

When LoiLoScope looks slow in motion especially when I put letters in a text box.

I was asked to change the power setting to High Performance, but I don't know how to do it.

Answer:

(Windows7)Start ⇒Control Panel⇒System and Security⇒Power Option

Select Change Plan Settings

Select Detail Power Setting Changes and Select High Performance from a pull-down.