Hi everybody, thanks a lot for all your ideas. Since I couldn't get the problem fixed I bought a new license (for about 14€) which works fine, activation is now done. However, I don't know how "authorized" this license is, but anyway...
Thanks MisterEd, I already tried the generic keys (also yours) but I always get the error message above ("We cannot activate Windows on this device...")
Hi FreeBooter, here it is. Which means: "We cannot activate Windows on this device because you do not have a valid product key or digital license. If you think you have a valid license or key, select Troubleshooting below (0x803f7001)". I'm gonna also try the workarounds suggested by the others.
Hi IanMosley, thanks for your quick answer. I just got a license key from the retailer in an e-mail which looks like W7KCG-XXXXX-XXXXX-XXXXX-XXXXX, but no other documentation. I'm afraid I won't be able to link it to my MS account (as explained in your tutorial) now since I did a reinstall of...
Hi, I bought a digital copy of Windows 11 from an authorized retailer and activated a copy of downloaded Windows 11 professional. After that, for various reasons I had to reinstall Windows on the same machine but unfortunately forgot to deactivate de licence before. It was neither linked to my...