How can I update my Macbook pro?

Zoplengdeng84 wrote:

How can I update my macbook pro?

Keep your Mac up to date - Apple Support

https://support.apple.com/guide/mac-help/get-macos-updates-mchlpx1065/mac

How to upgrade to macOS Monterey

https://support.apple.com/en-us/HT212735

verify you are using the Safari browser to download/initiate the macOS links.

The older macOS installer backups on this server:

https://support.apple.com/en-us/HT211683