Not that I know of. I was dual booting Linux and 7, then upgraded to 10. I had a storage partition and a swap partition in weird places that were preventing me from merging a few back together, so I...

I'm getting a screen when I start the PC asking me to choose between Windows 7 and Windows 10 or set/change defaults. I'm sure this wasn't here when I first upgraded...am I meant to be getting this?

OK, Thanks a lot. That's cleared that up :)

OK, So I've got Windows 10 installed from my Win7 SP1 disk. My first question is at some future point, will I be able to reinstall from that? And my 2nd question, seeing as that would be insane and...