In the Recovery app, select Reinstall macOS Ventura, then click Continue. Install macOS: Reinstall macOS on your computer. See Use Time Machine to restore your system. To return to the Recovery app, choose Time Machine System Restore > Quit Time Machine System Restore. In the Recovery app, select Restore from Time Machine, then click Continue. Time Machine System Restore: Restore your data from a Time Machine backup. See Start up your Intel-based Mac in macOS Recovery and Quit macOS Recovery. Recovery: The Recovery app opens when your computer starts up in macOS Recovery. The following apps are available in macOS Recovery on an Intel-based Mac:

Use one keyboard and mouse to control Mac and iPad.Use Live Text to interact with text in a photo.Make it easier to see what’s on the screen.Install and reinstall apps from the App Store.