- Open run command from start menu, type regedit
and navigate to...
- HKEY_LOCAL_MAchine
- System
- CurrentControlSet
- Control
- Windows
On the right side...
- Right
click CSDVersion
- Select
Modify
- in
Value data type 300 to make it SP3
- (type
100 to make it SP1,type 200 to make it SP2)
- Click OK and close everything
- Reboot, and done!