I went to download the latest technical preview build of Windows 10 yesterday and discovered it's already been released! The great thing about Windows 10 is it's free for the life of the product (as long as they continue to update it) if you have Windows 7 or Windows 8. But there is a catch, you have to upgrade within 1 year of the Windows 10 release. After that … [Read more...] about Win 10 Upgrade Is Free If You Have Windows 7 or 8