Hover the mouse over a file in Explorer and the infotip (tooltip) will show up. This product is not running within AutoCAD and does not include a Ribbon panel. Elevated user privileges are required to install this product.

To install run DwgInfoTip_1.6_freeware_setup.exe. Administrator rights are needed to install. Restart is needed after installation.

You can uninstall it just as you would uninstall any other application from your system. On Windows 10 Version 1703 or later press Windows+I on the keyboard to access Settings or click the lower-left Start button on the desktop to expand Start Menu, and then select Settings in it. Click on Apps. On older versions click Control Panel > Programs > Programs and Features or Control Panel > Add. 

For further documentation visit JTB World's DwgInfoTip page at https://jtbworld.com/dwginfotip-for-explorer.