You can erase all content on your MacBook in Ventura with the following tutorial: 1. Choose the Apple menu and click System Settings. 2. Click Erase All Content and Settings. 3. Enter the password and click OK. 4. Your Mac will remind you to back up data with Time Machine. If you don't want to back up, click Continue. 5. Click Continue to erase the items. 6. Confirm your request.