HelpWindows7.com

[perceval]

I have windows vista home basic installed on my system. Can anyone please let me now how much will I have to pay to upgrade to windows 7?

[boris]

If you are currently using windows Vista home Basic, then I think you should not have any problems upgrading to Windows 7.
Here's the Windows 7 versions and price.
Windows 7 Starter Edition (for netbook users) $199
Windows 7 Home Basic (for emerging market users only)
Windows 7 Home Premium (for home users) $259
Windows 7 Professional (for dual use in the home and small business.) $299
Windows 7 Enterprise (volume licensing)
Windows 7 Ultimate (for intensive international or network use. For most office or home power users) $319