Yes by buying a window vista installation CD.
No your windows 7 will not deleted
Do you mean upgrade to Windows 7 from Vista? Yes, without a doubt.
Different version of Windows use a different activation key. When you did the right thing by yourself in upgrading to Windows 7 that disabled you vista key. Even Microsoft has described Windows 7 as Vista with the bugs squashed. Most people who can have dumped Vista and enjoyed the change up to Windows 7. Contact Microsoft on how you can downgrade your operating system
Most, if not all of them. Windows Vista was released prematurely. windows 7 is what windows 7 Should have been.
Sorry only for Windows 2000 / XP /Windows Vista /Windows 7
No. Vista Inspirat is a Vista theme for Windows XP. As XP themes do not work on Windows 7, the theme cannot be used as is.
windows 7
Windows Calender is included with Windows Vista. It is not included with Windows 7 or 8, but can be copied over to Windows 7 and 8 from Windows Vista.
No. Windows 7 is based upon Windows Vista but includes new features, bug fixes, and performance enhancements.
Windows 7
Windows 7.
windows xp, windows 7, and windows vista