My MacBook currently has macOS Big Sur Version 11.7.10 and will not let me update it to a later version
My MacBook currently as macOS Big Sur Version 11.7.10 and will not let me update it to a later version than that. I need to download Microsoft Powerpoint from my 365 account but it is not letting me because the laptop system is not up to date.
[Re-Titled by Moderator]
MacBook, macOS 10.14