1. Open Notepad.
2. Type
@echo off 3. Then in next line type
cd /d "Directory folder of your game".eg:- “C:Program FilesEA SportsFIFA 10”4.In next line type
start /high gamename.exe 
5. Save it as
anyname.bat.eg:-Fifa10.batIt will be the same as setting a process to high priority but it will save your time to go again and again to task manager and changing the priority and who wants to pause a game and open the task manager.