What You will Lose When You Upgrade Your PC to Windows 8 From Different Windows Versions

From windows 7
If you are upgrading your PC from Windows 7, there is no problem. All the personal files, apps and all the Windows settings will automatically get transferred to Windows 8 OS.

From Vista
If you are upgrading your PC from Vista, only Windows Settings and your Personal file will get transfer. And all the installed apps will never get transferred to Windows 8. You have to re-install the particular apps manually.

From XP 
If you are upgrading your PC from Windows XP, you will lose all the Windows settings and Apps. It only transfers the Personal files.

Windows 8 Release Preview
If you are upgrading your PC from Windows 8 Release Preview, it will transfer only your personal files. It will never transfer your windows settings and Apps etc...


Windows Consumer Preview or Windows Developer Preview 

When you transfer your PC to Windows 8 from Windows Consumer Preview or Windows Developer Preview. You will loss everything and you can get back all the personal files manually from Windows old folder.

Here I'll give a screen shot from Microsoft about this.

Posted in: Windows, Windows 8