This is used to tweak the memory usage for your computer, it is used for servers more so than workstations but just be careful editing registry settings as it may cause irreversible results. I hold no responsibility for anything you do to the registry settings. You have been warned.
1. Backup Registry.
Go into Regedit and click File and export and choose a place on your computer to save it.
2. Making Registry Change.
Go to HKEY_Local_Machine > System > CurrentControlSet > Control > Session Manager > Memory Management. look into the right panel and locate "Large System Cache" double click it and set the value to a 1. Close out of the registry editor and restart your computer and you are done