Windows Pro licence key (non-oem) on oem devices

[Craig.M]

Hi,I bought a new ASUS laptop (Laptop A) with windows 10 OEM pre-installed. (I do not have a record of this key)I performed the free upgrade on laptop A (that was permitted at the time to windows 11)I then installed a windows 8 PRO key (standalone / non-Oem that I bought years ago separately) and upgraded my laptop to windows 11 pro.I have now bought a new windows 11 laptop with and OEM licence (laptop B) and wish to (a) install my PRO key onto this laptop and(b) downgrade the old laptop to windows 11 home or its old windows 10 home OEM keyI could not find the old key on laptop A looking up k

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