content: A clean install was done to get the maximum free disk capacity. Before, it gave me 10 GB. Now it gives me over 20 GB! The activation thing turned out to not be an issue. It just said that it was activated when I went in and checked after the install. I was expecting to be told that "I should have used a third-party tool to write the product key from 8 on a sheet of paper before I blew it away and so now I need to install 8 to get the product key and then upgrade again", but thankfully this is not so. Now that there is 20 GB free instead of 10, I can install a dual-boot of Android on here.