PAGES do not working in my macbook pro

Hello Ahmetfurkan,

Welcome to Apple Support Communities. It looks like Pages won't open after updating Mac to Big Sur. We understand the importance of getting this issue resolved, and we'd be happy to look into this with you.

Do the issue persist if you hold down the "shift" key on your keyboard while opening Pages?

Is there any updates available in the App Store for Pages?

Get updates for preinstalled apps on Mac

Also, let's test this issue in safe mode, and in another user account:

Start up your Mac in safe mode

Set up users, guests, and groups on Mac

Let us know the results. We'll be waiting for your response.