That may be true but in the past nothing ever actually stopped me from using my keys multiple times.

I'm simply not willing to buy it more than once for me individually, it's insane.

Thanks for clearing this up for me guys.

I've got one laptop upgraded successfully. However the licensing agreement doesn't work for me so unfortunately for MS I will be hanging on to my money...

So if I decide to do the right thing, and legally purchase at great expense, I'm unable to upgrade hardware or change devices?

This appears highly unusable and uninviting as someone who upgrades...

My mistake, you went off topic and I gave an incorrect reply.

You still haven't clearly answered my original questioning.

If I buy windows 10 and install+activate, then decide to upgrade to...

So, if I decide to upgrade to newer generation hardware and build a new pc, I have to repurchase?

You brought it up, refer to my original post.

I am asking about a legitimate purchased copy of Windows 10...

Also, I could have just said I am thinking of converting from Linux....

Not if your current OS is not legitimate....

It's unclear to me exactly how the licensing works with my product key if I purchase Windows 10.

1: Will I be able to install and use my product key on both my desktop and laptop without...