Just jump to this link and download 2021
This will give you the latest version 2021.1 - which has the necessary browser to function and a few new features.
You must have deferred updating when prompted and the 2022 versions and later are now the ones which are newer so it looks like there is nothing for you.
SketchUp Desktop 2021.1 | SketchUp Help
Brace yourself for a little period of adjustment, the buttons you use to hold to activate “copy” for example are now toggles- you tap to activate them and tap again to turn it back again.
There are a whole bunch of improvements including changes to the 3rd party software that helps PDF files be generated and a whole raft of bug fixes.