If you want to perform a clean install of Windows 7 but you only have an upgrade version, this post details several ways for that. Read on to find out more.
Did you just install your new copy of Miscosoft Windows 7 (Home Premium / Professional / Ultimate...), and find out that the brand new product key (upgrade license) is not working? Do you get the dreaded message “Invalid Product Key” even when you know your key has to be valid as you just purchased it? As frustrating as it can be, you should not give up. Luckily, there is a way to get around that.