A lot of people don’t know that Microsoft has a program with certain schools that allows students to obtain free copies of programs. You can learn more and see if you qualify at: http://www.microsoft.com/student/en/us/software/windows-7.aspx

Even if you don’t qualify, fear not. As long as you’re a student you can get a copy of Windows 7 for a mere $29 at the link below for a limited time (End of December, I think, but don’t quote me on that):