Were you aware that Microsoft Windows reserves 20% of your available bandwidth for updates etc? This is not a problem for most, but for those of us who like to tweak and customize here is how to change that.
Click Start
Click Run
Type gpedit.msc in the space provided
Click OK or press enter on your keyboard to run that command. This will open the group policy editor
Double click on Local Computer Policy
Double click on Computer Configuration
Double click on Administrative Templates
Double click on Network
Double click on QOS Packet Scheduler
Double click on Limit Reservable Bandwidth
Click the “Enable” radius button
Set the value in the “Bandwidth limit %” field to zero
Lastly click OK and you are done.
if you would like to do some additional reading on this particular mod please click here.