I cannot update or download anything from the app store
I tried all of the steps in KB - If you can't download or update apps on your Mac - Apple Support
I still cannot update or download anything from the app store
MacBook Pro 13″, macOS 12.3
Can’t download -
Try a different wifi network or the hotspot on your iPhone or other smartphone; office, library, coffeeshop.
M1 Mac mini, macOS 13.1; Watch, series 7 GPS/cellular, watchOS 9.2; iPad Pro 2nd Gen, iPadOS 16.2; iPhone 12 Pro, iOS 16.2; TV 4th Gen, tvOS 16.2; HomePods, audioOS 16.2 and Airport Express w/ Airplay 2