Several free apps in the Microsoft Store can add a floating clock to your desktop.
This is a third-party desktop customization tool that allows you to download "skins" (widgets) from community sites like DeviantArt or Reddit.
Visit sites like VisualSkins or DeviantArt and search for "Rainmeter Clock." Popular choices include "Elegant Clock" or "Mond."
Many widgets bundle in weather reports, CPU monitoring, or date displays. Top Windows 10 Clock Widget Apps