Many are not aware of a Windows feature to keep 20% of Internet connection bandwidth as reserve for applications running on the computer. If you remove this bandwidth reservation, you can add the not using 20% Internet speed to the current Internet speed you are enjoying. In order to do this you have to edit group policy edit and change the bandwidth reserve from default 20% to 0%. Follow the steps below to perform this and increase your Internet speed up to 20%.
1. Type gpedit.msc on Run and click OK
2. Select Computer Configuration and go to Administrative Templates
3. Click on Network
4. Double Click on QOS Packet Scheduler
Now the "Limit Reservable Bandwidth" Window opens and you can see it as not configured. If you read the note there you can see "If you disable this setting or do not configure it, the system uses the default value of 20 percent of the connection." We have to enable this and change the default 20% to 0%. This will increase your Internet speed up to 20%.
Reboot your computer after closing the window.
