Yes, you can retain the operating system if you remove all other components except the hard drive.
Yes, you can retain the operating system if you remove all other components except the hard drive.
Is that really what happened? I thought it would have been my turn to buy the computer. My grandma got it from Best Buy with me, but she didn’t have a place to store it and there was no key.
When you buy something, you hope your payment supports the creator, not an unknown individual. It's similar to purchasing a car that was stolen. If you don't want to contribute, just leave it inactive or modify it.