OT: Windows licensing

Only a few days ago I brought an old Acer laptop (originally Windows 8) back to life by removing the failed hard drive and installing one from another similar laptop which was running windows 10 until the motherboard failed. I was expecting to have to clean the drive and install windows 10 but after checking it with a Hiren boot stick I let it attempt boot and was surprised to find fully activated Windows 10 and Windows update installed the necessary drivers.

Nit to pick:

Was the Acer licensed with a reatil license (CoA, etc.)?

Or, does Acer have an arrangement with MS to embed the licensing in the BIOS -- so, the fact that it was an "authorized Acer CPU" is what as enabling the license originally?

I.e., was the drive from the "similar" laptop similarly licensed?

In my case, most boxes are Dell or HP and all carry licenses in their BIOS. So, no phone calls or online activation required when installing a Windows of the "appropriate vintage".

If the "validation" happens at every boot, then I would expect moving from ANY Dell/HP to any comparable vintage Dell/HP would silently validate the license (as it does during a clean install).

OTOH, if the BIOS licensing is somehow BRANDED onto the disk at installation, then the "new" machine might be recognized as "different" and either revalidate with the new license or complain.

I vaguely recall, ages ago, when we would alter the hardware configuration of donated machines, we often had to verbally convince someone at MS that it was still the original machine (even though, in fact, it was not). I.e., the installation was branded with some characteristics of the machine at install time and these were later verified at boot time.

Sort of like "node locked" licenses tied to MACs.

There's a postage stamp size Windows 8 sticker underneath.

Not sure. The last time I flashed a BIOS to get OEM Windows to install was with Windows 7.

Yes

A bit of both provided that the verification server is still running. Some hardware upgrades are tolerated OK but radical ones might not be. Using a tool to rescue license keys from old kit has worked for me.

It depends. If the hardware looks similar enough for the OEM licence to still be valid then it is usually OK and painless. If you try and transplant an HP license onto a Dell then it may not work.

I've had Win 7 declare a genuine copy of Win 7 on my old Samsung laptop a "Copy" but since I don't use it very often I just live with the nagging.

These machines have never talked to anything outside of the building. They "self-validate" their licenses -- MS doesn't even know they were ever powered on.

These are both dell -- and similar architectures. I have an identical make/model that I could resort to using -- but I'd rather move her to an "equivalent" AiO (less space wasted on her desk).

And, if I can sort out what's wrong with her old machine, I can make other use of it (as it has a couple of unused PCI slots while the AiO doesn't have that ability)

I duplicated her disk (so I could be sure to have the original to fall back on -- even if the USB ports are flakey). It wouldn't boot in the AiO but offered to run the startup repair.

Then, booted. Screen resolution was off but that's an easy fix.

One device appears as "Undefined" in the device manager (but I am not sure a similar deviec wasn't undefined in her old machine; I will check that tomorrow).

Have not checked to see that the license is recognized -- another thing for tomorrow. I have to juice the last of the oranges, tonight. End of August is really pushing it for "fresh oranges" harvested months ago! <frown>