Kmsauto.2018.v1.5.3 -
If you have an older Windows 7 or 8 license, you can still upgrade to Windows 10/11 for free using Microsoft's accessibility upgrade tool (unofficially still working). Also, many refurbished PCs come with discounted licenses.
You don't have to use Microsoft Office. Try: kmsauto.2018.v1.5.3