Software Developed by Windows X
Windows 8 UX Pack v.6.0
Windows 8 UX Pack will give you Windows 8 UI improvements such as theme and logon screen without touching system files at all so it won't have such risk to harm your system at all.
Optimizer XP v.3.50.2003
Optimizer XP is a freeware optimizer program that will optimize your system and internet connection for better performance. It's a real life-saver for slow PCs for both system and internet connection.