Looking to get Win8 for my new build i ordered. What is the difference in these 3 products (besides the price)?
1. http://www.staples.com/Windows-81-Pro-Pack-1-License-Boxed/product_302696
2. http://www.staples.com/Windows-81-1-License-Boxed/product_276262
3. http://www.staples.com/Windows-81-Pro-Pack-for-Windows-1-User-Download/product_311151
1. http://www.staples.com/Windows-81-Pro-Pack-1-License-Boxed/product_302696
2. http://www.staples.com/Windows-81-1-License-Boxed/product_276262
3. http://www.staples.com/Windows-81-Pro-Pack-for-Windows-1-User-Download/product_311151