If you use your PC for everyday things and want the best entertainment experience, you’ll want Windows 7 Home Premium. If you work with your PC, you’ll want Windows 7 Professional, which has all functionality of Windows 7 Home Premium, but designed to make working from anywhere easier. “If the PC you want doesn’t come pre-installed with edition of Windows that meets your needs– that’s no problem because it’s really easy to upgrade to the one that’is using Windows Anytime Upgrade. Microsoft retailer partners are taking advantage of WAU with a brand new offer start Apr 4th to end July 3rd at participating retailers, people who buy a new PC will’ve an opportunity to add WAU to their purchase at a special price in US: Windows 7 Starter to Windows 7 Home Premium ERP $49.99 (versus everyday price of $79.99); Windows 7 Home Premium to Windows 7 Professional ERP $79.99 (versus everyday price of $89.99). Details vary by retailer and geography – so check with your local retailers to see which PCs they’re offering. Participating retailers also choose which WAU path to offer. Some may offer WAU for going from Win7 Starter to Win7 Home Premium, while others may offer WAU for going from Win7 Home Premium to Win7 Professional, or they may offer both. When you’re out looking for a PC, be on the lookout for this offer on new PCs to ensure you’re running the right edition of Windows 7 for you!,” says Microsoft.