1. At first open the notepad or any text editor
2. Then copy this code and paste it into the notepad
[HKEY_LOCAL_MACHINE\SYSTEM\Curr entControlSet\Servic es\Tcpip\Parameters]
"SackOpts"=dword:00000001
"TcpWindowSize"=dword:0005 ae4c
"Tcp1323Opts"=dword:000000 03
"DefaultTTL"=dword:0000004 0
"EnablePMTUBHDetect"=dword:000 00000
"EnablePMTUDiscovery"=dword:00 000001
"GlobalMaxTcpWindowSize"=dword :0005ae4c
3. Then save it “ speed.reg ”.