upgrade High Sierra version 10.13.6
MacBook Air 13″, macOS 10.13
Okay. You can upgrade up to Monterey 12.6.5. You can get it here…
How to download macOS - Apple Support
Be aware older 32bit software will no longer run and may need updated or replaced. You can check for 32bit software with Go64.
https://www.stclairsoft.com/Go64/
Some older 64bit software may need updated or replaced as well.
Be sure to back up first.
You need a 2012 or later Mac to upgrade. which Mac (year) do you have?
I purchased MacBook in April 2018 from Apple store
What year is listed under the Apple Menu > About This Mac?
The 2018 MacBook Air wasn't available until Oct 2018.
2017 is noted under about this Mac
Thank you very much. Will review the GO64 site before I install Monterey.
You're welcome. Go64 is a free utility you install which just lists which 32bit software you may have installed.
MacBook Air upgrade
