Make sure you have over 7gigs of space on your Mac so you can update
Update macOS Ventura in Safe Mode
When you are already in a good wifi connection, enough Mac free storage space, and compatible Mac models, but it still fails to update macOS Ventura. You need to consider updating macOS Ventura in safe mode, which provides a clean and secure system environment for installing upgrades.
It’s easy to access the Safe Mode: Start up your Intel-based Mac in safe mode( Turn on or restart your Mac, then immediately press and hold the Shift key until you see the login window. Log in to your Mac, you should see “Safe Boot” in the menu bar.). Start up your Mac with Apple silicon in safe mode( Shut down your Mac, press and hold the power button on your Mac until “Loading startup options” appears. Select a volume. Press and hold the Shift key, then click Continue in Safe Mode. Log in to your Mac, you should see “Safe Boot” in the menu bar.)
And then start to update macOS Ventura in Safe Mode.
macOS Ventura Update Place
Generally, there are two ways that can help us find the place to update Mac to macOS Ventura. Click System Preferences icon on the dock, access Software Update -> Checking for update to download and install macOS Ventura. Or open Mac App Store application and search and find “macOS Ventura”, click the GET button to download and install.
macOS Ventura Update Compatible
If you still can't find macOS Ventura update in the above two places, please check your Mac model. Click the Apple () menu -> About This Mac. macOS Ventura needs iMac 2017 and later, MacBook Pro 2017 and later, MacBook Air 2018 and later, iMac Pro 2017, MacBook 2017, Mac mini 2018 and later, Mac Pro 2019 and later, Mac Studio 2022.