System Builder.
http://www.amazon.com/Windows-Premium-64bit-System-Builder/dp/B004Q0PT3I/ref=sr_1_1?s=software&ie=UTF8&qid=1344555723&sr=1-1&keywords=Windows+7
OR
The.. errrr. OS?
http://www.amazon.com/Microsoft-Windows-7-Home-Premium/dp/B002DHGMK0/ref=sr_1_3?s=software&ie=UTF8&qid=1344555723&sr=1-3&keywords=Windows+7
With the system build if you decide do upgrade a part of your pc do you need to buy a new copy? or mother board crashes you would. Also if you reformat you're pc can you reinstall windows with the system builder?
http://www.amazon.com/Windows-Premium-64bit-System-Builder/dp/B004Q0PT3I/ref=sr_1_1?s=software&ie=UTF8&qid=1344555723&sr=1-1&keywords=Windows+7
OR
The.. errrr. OS?
http://www.amazon.com/Microsoft-Windows-7-Home-Premium/dp/B002DHGMK0/ref=sr_1_3?s=software&ie=UTF8&qid=1344555723&sr=1-3&keywords=Windows+7
With the system build if you decide do upgrade a part of your pc do you need to buy a new copy? or mother board crashes you would. Also if you reformat you're pc can you reinstall windows with the system builder?