You can still upgrade from W7 to W10 from inside the W7 OS. (at least up to a few weeks ago) But I don't think the use of the W7 key alone is still working. If you have one, try it.
You can still upgrade from W7 to W10 from inside the W7 OS. (at least up to a few weeks ago) But I don't think the use of the W7 key alone is still working. If you have one, try it.