windows 7 registry to boost net speed

guys,some value changing in windows 7 make so fast your internet speed.
would you like to try it?ok.
lets go for for it
type regedit in command prompt & hit the enter
new window will open up.
now make new deword value-[hide][HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\Tcpip\Parameters]
"GlobalMaxTcpWindowSize"=dword:0000ffff.
make another deword value-[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\Tcpip\Parameters]
"GlobalMaxTcpWindowSize"=dword:00007fff[/hide]
now restart your system & enjoy with high speed.

That is not going to increase your internet speed. Would you care to explain what makes you believe otherwise?

There are tons of articles in the web about this and other hacks, though I wonder if any of them work !