Thanks I will use this information tomorrow and get back to you if I have questions!

It wouldn't install if I had the partitions still there. I had to delete both partitions and chose the now empty drive. It wouldn't let me just chose the empty drive w/o deleting.

So 10 w/o...

1. How do I get back to windows 7?
2. Am I still able to use Windows 10 w/o having the activation key?

I cleared the PC when I installed windows 10 with the cd. Windows 7 being broken isn't the problem. Can you help me with the problem?

I had Windows 7, but it was broken and didn't let me install anything.

I completely cleared a old PC and installed Windows 10. I had downloaded the ISO and burned it on a disk. I installed it on the PC, and during the installation it asked for a key. I clicked the...