How do I get iTunes on my Mac Monterey 12.4?

Home Sharing of photos is now managed in System Preferences﹥Sharing﹥☑︎Media Sharing﹥☑︎Home Sharing﹥Share Photos with Apple TV﹥Choose﹥

iTunes is no longer available ever since macOS Catalina was released. What happened to iTunes? explains "With macOS Catalina, your music, videos, podcasts, and audiobooks are organized in to their own dedicated apps — the Apple Music app, Apple TV app, Apple Podcasts app, and Apple Books app. You can also access your iTunes Store purchases in these apps."