On Sat, 26 May 2018 16:26:20 -0400, Steve wrote:

That reminds me, you never did assure me that a Windows 10 reset keeps
Windows 10 and will not revert to Windows 7 where this computer started.

Unfortunately, you're stuck with Windows 10. To upgrade to an earlier
version of Windows, you'll have to start from scratch and do a full
install.