Update

moritz260 wrote:

Why can I not upgrade my late 2013 Macbook Pro? It works perfectly well.

MacBook Pro 13″, macOS 11.6

Upgrade what,

from what to what...?

The current stable release of Big Sur is macOS 11.6.4 build (20G417) February 14, 2022

Keep your Mac up to date - Apple Support

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

macOS Monterey hardware requirements—

macOS Monterey - Apple

moritz260 wrote:

Update my Macbook Pro to macOS Monterey (topic of this thread). I have macOS Big Sur 11.6.4 now. Thank you!

?

Your information above says 2013 MBP compare that to the requirements below...

See the link—

macOS Monterey hardware requirements—

macOS Monterey - Apple

Point # 1 - Does the >>  Computer Qualify for the Monterey upgrade  and it not listed - Apple Has decided this computer does Not Qualify for Monterey macOS 12.