How to make windows 7 internet speed 20% faster

This will be my first post ^^, hope this will help some of us =)
In windows 7, 20% of the internet speed has been limited by default.
By make some adjustment to this setting, we can make our internet speed 20% faster.

Here are the steps to do that: 
1. Left click the start button on your desktop.
2. In the search box, type "gpedit.msc" as this picture shows: