I wasn't aware that CPUs have licenses. It's certainly not something I've ever agreed to on purpose or otherwise. There is no box or manual to imply that I have

I wasn't aware that CPUs have licenses. It's certainly not something I've ever agreed to on purpose or otherwise. There is no box or manual to imply that I have ever agreed to such a license. I'm not doubting you, I'm just wondering where this license lies and when/how did I agree to it?