The Windows 7 RC is available for free download at Microsoft's website (see Related Links). However, the RC happens to expire June 2010, and will require you to purchase a full version of Windows afterwords. There is no way to obtain a free version of Windows 7 legally.
No, Windows 7 is not free.
If you have a legal copy of Windows 7, then it's free for you.
What is the most powerful free anti-virus for windows 7 in 2010
The only way to get a legal free copy of Windows 7 Upgrade for consumers was by buying Vista right before Windows 7 launched. Ship sailed!
There is a trial which is free, but the actual version will cost you. However, it is a lot cheaper than Windows 7, and is even cheaper is you upgrade from Windows 7.
Yes it is.
Unfortunately you can't.
Depends. Now the sale is gone and free upgrade is no loner there.
Sure, there are lots of free applications available for Windows.
windows 7 theme for XP are basically windows themes that can be installed on windows xp to give it a look similar to windows 7. See the link in the related links section.
windows 7 is a more advanced OS with better visual styles and less bugs and it crashes less. It is possible to change windows xp to windows 7 for free.
Not legally. No release version of Windows is made available free of charge, and the beta period for Windows 7 has ended.