Mac operating system

Sir Apfelot Blog


7 June 2022

Is my Mac compatible with macOS Ventura?

In addition to other new operating systems from Apple, macOS 22 Ventura was also presented at the WWDC13 kick-off keynote yesterday evening. The new system for Apple Mac, iMac, MacBook and Co. will be […]
1 March 2022

macOS 10.15 Catalina – Everything you need to know!

At the beginning of June 2019, Apple presented the Mac operating system macOS 19 Catalina as part of the WWDC10.15 kick-off keynote. macOS Catalina offered some innovations and improvements compared to its predecessors. In addition, this last version paved […]
8 December 2020

macOS 11 Big Sur - Everything you need to know!

The Mac operating system macOS 11 Big Sur was presented by Apple at WWDC20 in June 2020. The release took place in November 2020 with the first MacBooks to feature an "Apple Silicon" SoC that […]
14 March 2019

Download list: Installer from old macOS and OS X versions

If you want to equip your old Apple Mac, iMac or MacBook with its original operating system or if you want to get an old collector's item working again after repairs, you need an appropriate installer. The installation file [...]