What if you own a license but lost the key? Microsoft provides a for Windows 8.1. You cannot activate Windows with this key , but it allows you to download the ISO and install the OS so you can enter your genuine key later.
Windows 8.1 no longer receives security updates, making it highly vulnerable to malware. microsoft windows 8.1 iso download 64-bit version -x64-
host 64-bit versions, but these are not officially managed by Microsoft. Internet Archive Important Security & Activation Notes Windows Embedded 8.1 Industry Pro Evaluation - Microsoft What if you own a license but lost the key