Windows Registry Editor Version 5.00 ; disable prelaunch. lowers ram usage slightly [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\MicrosoftEdge\Main] "AllowPrelaunch"=dword:00000000 [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\MicrosoftEdge\TabPreloader] "AllowTabPreloading"=dword:00000000