I can't use an app on my Apple Watch Series 10

Press the Digital Crown.

Press and hold the required app.

Press the delete icon next to the required app.

Press Delete App.

Press the Digital Crown to return to the home screen.

On your phone: Press Watch.

On your phone: Press My Watch.

On your phone: Press General.

On your phone: Press Software Update. If a new software version is available, it's displayed. Follow the instructions on the screen to update the Apple Watch software.