Originally Posted by Signals
I am going to be building a computer system from scratch pretty soon and would like to know if when I buy MS Win 7 pro, does the license agreement permit me to install it on more than one machine or reinstall if needed?
Depends on the version. Most versions are a single licence. You can purchase additional licences.
You can save a bunch of money by purchasing white box OEM editions. Check microcenter.com.
Pro is $139