I got Win 8.1 Pro about 6 months ago and I've been getting the free upgrade to win 10 offer. So I wouldn't
be buying a new Win 10 key. From what I heard in another computer forum, I’ll be able to use a dual
boot system with Win 8.1 OEM and Win 10 during my transition period and not have to be stopped every time I boot to a different OS.
If I upgraded I assume that I’d run into all sorts of problems, which is expected with a new OS and I’d need to run a dual boot system for a while until I got Win 10 working as well as Win 8.1 Pro. Since I run a recording studio, I can't risk problems when clients are in and would likely use Win 8.1 with clients until I was absolutely confident in Win 10.
Most of the time I work by myself, so I don't' mind experimenting during those times. I know in the first 30 days if things don't' work out I can do a rollback to Win 8.1, but what about after that? Has anyone done dual boot like this this? Are there any unexpected problems with this dual boot scenario? Especially beyond 30 days?
I heard someone say that Microsoft doesn't kill your Activation record for your old Windows 8.1 key, so I can re-install Windows 8.1 on the same system down the road, even if I upgrade to Windows 10. Is this correct?
I may not find I have a problem until way later and I'll need to backtrack by
reverting to an old 8.1 Acronis image file of my C drive and build things back up
from there with Win 10. Other times a project that was started a year ago may not work right in Win 10 for whatever reason and I may need to revert to an old Win 8.1 image file that I used when I worked on that project, maybe just to copy some settings. Can I do that after 30 days?