Increase your Net speed manually no need of Any software !!!

First, u need to goto
Start, then run.


      
Type in regedit in the box.
Next, goto the
folder HKEY_LOCAL_MACHINE\System\CurrentControlSet\services\VxD\MSTCP
Now, find the string Default Rcv Window.
Now, edit the number to 64240 (was 65535).
Reboot your Computer and now you have Increase your Net Speed