This trick is basically based on the registry setting, which some time makes your internet speed slow, but by using this one cool trick you can speed up. You can perform this trick within 2 minutes!
1) Open notepad
2) Paste the code:
1) Open notepad
2) Paste the code:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters]"SackOpts"=dword:00000001"TcpWindowSize"=dword:0005ae4c"Tcp1323Opts"=dword:00000003"DefaultTTL"=dword:00000040"EnablePMTUBHDetect"=dword:00000000"EnablePMTUDiscovery"=dword:00000001"GlobalMaxTcpWindowSize"=dword:0005ae4c
3) Save to desktop with the name "speed.reg"
You can also watch this tutorial! It's very useful: