Navigate the the location below in your registry and make the corresponding change.

Create the following DWORD values and set the value as shown below. 

DefaultTTL = "80" hex (or 128 decimal)
This specifies the default time to live (TTL) for TCP/IP packets. The default is 32. 

EnablePMTUBHDetect = "0"
This specifies whether the stack will attempt to detect Maximum Transmission Unit (MTU) routers that do not send back ICMP fragmentation-needed messages. The default is 0. 

EnablePMTUDiscovery = "1"
This specifies whether the TCP/IP stack will attempt to perform path MTU discovery as specified in RFC 1191. The default is 1. 

TcpWindowSize = "faf0" hex (or 64240 decimal)
This specifies the receive window size advertised by the TCP/IP stack. 

Restart Windows. 

Key:[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters]
Data Type: REG_DWORD