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If you click on software update in the system settings of your Mac, you will notice that the new operating system (macOS Catalina with version number 10.15; here the Info page from Apple) is now finally available in its final version for end users. Personally, I only start the download here using the "Update" button and then - when the installer starts - cancel the process.
In the "Programs" directory you can usually find the macOS Catalina installer as a DMG file (I am still loading the system and hope that - like the old systems - it ends up in the programs folder). This allows the Mac to be updated at any time and you can also drag this installer onto an external hard drive in case you want to do a clean install again later.
I can only warmly recommend anyone interested in macOS Catalina to make a backup before updating to the new system Carbon Copy Cloner, Super duper! or SmartBackup to create. If something goes wrong, or you just have trouble with the system, you can reinstall your old version in a short time with such a bootable backup.
As always with such "big" updates, you can assume that a small version will be added in the first few weeks. Since macOS Catalina was released with version number 10.15, the first bugfix with version number 10.15.1 will be available in a short time.
Cautious users who want to forego the teething troubles of the new macOS version should perhaps be patient with the upgrade until the first or second bug fix is out. Everyone else who (like me) made a backup before can take the plunge and install the new system.
One of the biggest sticking points with macOS Catalina is that with this operating system version the Support for 32-bit apps discontinued becomes. So that you are not surprised, I recommend taking a look at "About my Mac" (to be found in the upper left corner of the Finder next to the apple logo). There you go to "System Report" and then select "Programs" under "Software".
Your Mac will probably take a few seconds to display the list of programs, but then you go to the rightmost column and click twice on "64-Bit (Intel)". The program list should now be sorted according to the value "No". All apps that now have a No there will fail under macOS Catalina.
If there are programs among them that you need constantly, you should see whether there is an update for them or look for an alternative. I already have some apps in the list that I use every now and then: BBEdit, ABBYY FindReader for ScanSnap, DYMO Label, Diablo III Launcher (yes, I play that every now and then), Office365Service (WHAT? Is my Microsoft 365 Suite running after that no more ?!) and a little bit of odds and ends.
You can tell that a lot of people want to install the new system. After a few minutes I got the error message "The network connection was interrupted". This indicates that there is a lot going on here. Fortunately, once canceled, the download will resume from where it left off.
Well, as Sir Apfelot, I can barely wait 2 months before trying out the new macOS. After all, I'm already avoiding all the beta versions. But when a new system comes out, I usually install it within the first few days.
Certainly there will be a generic article with the bugs (and hopefully also with solutions) to macOS Catalina in the coming days. If you don't want to miss anything in this regard, I can send you my free one Sir Apfelot app or mine weekly newsletter . Recommend
Jens has been running the blog since 2012. He appears as Sir Apfelot for his readers and helps them with problems of a technical nature. In his free time he drives electric unicycles, takes photos (preferably with his iPhone, of course), climbs around in the Hessian mountains or hikes with the family. His articles deal with Apple products, news from the world of drones or solutions for current bugs.