Showing results for 
Search instead for 
Did you mean: 
Showing results for 
Search instead for 
Did you mean: 
Setup & License forum

upgrading advice from os 10.14.6 Mohave

peter spellman


Looking for advice on upgrading from OS 10.14.6 Mohave. Should I upgrade to Catalina or go straight to Big Sur.

Specs on my system below. Working mostly in Archicad 24, 23 and a few projects still in 21. Hoping to start 25.

Any thoughts/advice would be greatly appreciated.




Hardware Overview:

Model Name: iMac

  Model Identifier: iMac19,1

  Processor Name: Intel Core i9

  Processor Speed: 3.6 GHz

  Number of Processors: 1

  Total Number of Cores: 8

  L2 Cache (per Core): 256 KB

  L3 Cache: 16 MB

  Hyper-Threading Technology: Enabled

  Memory: 32 GB

  Boot ROM Version: 1554.

  SMC Version (system): 2.46f12

  Serial Number (system): D25YW03BJV40

  Hardware UUID: 7D45644B-ECF9-503A-8F2B-8155A07AC521


Marc H

Hello Peter,

If it helps, I ran AC24 on Big Sur (2019 MacBook Pro with current OS) before upgrading to AC25 soon after it’s release. 

“The best thing about the future is that it comes one day at a time.” - Abraham Lincoln

AC26 USA on 16” 2019 MBP (2.4GHz i9 8-Core, 32GB DDR4, AMD Radeon Pro 5500M 8G GDDR5, 500GB SSD, T3s, Trackpad use) running Ventura OS + extended w/ (2) 32" ASUS ProArt PAU32C (4K) Monitors


If you are still using AC21 you may want to review the guidance on the various macOS...

macOS search... 

Apple iMac macOS Ventura / AC26UKI (most recent builds)

Still looking?

Browse more topics

Back to forum

See latest solutions

Accepted solutions

Start a new discussion!