Updated machine, identical storage device
Updated machine, identical storage device
Yes, there are alternatives to use without a disc and key. You could try using a USB drive or a cloud service if available.
It's likely laptops include one-time activation keys, or at least I did. When I reinstalled Windows on my laptop—because my hard drive gets messy and I just restore it—I didn't think I'd end up paying for another Windows 7 key.
All retail keys are versatile. Branded OEM parts won't fit with another motherboard, though they might work if MS sends a whine. A 50-50 chance remains that they won't. Non-branded OEMs from before Win8 can generally work with another board without big issues. WinXP and Vista OEMs seem to function freely.