1. OS X 10.6
2. Windows 7
3. Windows XP
4.Windows 2000
5. OS X 10.4
6. OS X 10.5
7. iOS 5
8. Windows 98
9. Solaris
10. Android 4.1
Least favorite would have to be Mac OS 9(blehhh). Made the Windows of the time look like a futuristic operating system.
2. Windows 7
3. Windows XP
4.Windows 2000
5. OS X 10.4
6. OS X 10.5
7. iOS 5
8. Windows 98
9. Solaris
10. Android 4.1
Least favorite would have to be Mac OS 9(blehhh). Made the Windows of the time look like a futuristic operating system.