How do I install or activate airprint

AirPrint is an integral element of iOS/iPadOS/macOS. There is nothing to install.

You do, however, need an printer that supports AirPrint. See:

• Use AirPrint to print from your iPhone, iPad, or iPod touch - Apple Support
• Connect an AirPrint printer to a Wi-Fi network - Apple Support

Apple AirPrint is a driverless connection protocol. A high proportion of modern printers intended for Home, SoHo and Business environments now support AirPrint. Check your printer model against this list:

About AirPrint - Apple Support

rannie145 wrote:

How do I install or activate AirPrint

Read here Use AirPrint to print from your iPhone or iPad - Apple Support