Depends how your Windows was licensed; if you had OEM license with license key that you had to type in (this is usually when Windows license is an option), or i

Depends how your Windows was licensed; if you had OEM license with license key that you had to type in (this is usually when Windows license is an option), or if the key was embedded in BIOS (when Windows license is provided and it is not an option). In the second case, you have to pass through SLIC and MSDM ACPI tables from host to guest. For example, like this: https://gist.github.com/Informatic/49bd034d43e054bd1d8d4fec38c305ec https://gist.github.com/Informatic/49bd034d43e054bd1d8d4fec3...