Try ni ninyo..
Make Your Internet Connection Faster | BestStuff
1. High-Speed-Internet-Speed up your Internet connection: part 1-Watch Video T
2. High-Speed-Internet-Speed up your Internet connection: part 2-Watch Video T
or
open run (win logo + r)
type gpedit.msc
then go to
Computer Configuration / Administrative Templates / network / QoS Packet Schedule
then double click on
Limit reservable bandwidth
click "Enable"
set bandwidth limit to 0%
press ok