[2111USMC]

It’s an add-on you download from the internet.

I don’t use it but your question got me curious.

Here’s a link that discusses different ways to make W10 look and feel like W7:

https://www.howtogeek.com/277448/how-to-make-windows-10-look-and-act-more-like-windows-7/

[MayflowerMadam]

Thanks! I’ll check it out.