OS upgrade to Catalina?


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I have just acquired brand spanking new (2019) iMac 27" Retina display machine with 8 Gig of RAM and a 2 Terabyte Fusion drive. Hardware attached is minimal, an external 1 terabyte HD, and a large Tracker Ball for days when my Parkinson's gets the better of my hands. System software is Mojave 10.14.6. My question is, is it wise to upgrade the OS as I am being offered an upgrade to "Catalina". Normally I would upgrade without a thought, but as I am new to this machine and as its been a long time since I used a Mac I thought I'd be a bit more cautious and ask you fine and wise folk for your advice. My thanks, in advance. :)
 
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Do you have any 32bit apps on the iMac? Catalina does not support 32bit.
If you have no 32bit apps it is pretty safe to upgrade.
 
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Thanks. Hmmm, how do I find out about the 32bit thing? Sorry, a bit non-tech here. Will look into it.
 
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Go64 is a good app for this
Alternatively click the apple logo in the top left , go to 'About this mac' > 'System report' >'Software' > 'Legacy software'
 
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Go64 is a good app for this
Alternatively click the apple logo in the top left , go to 'About this mac' > 'System report' >'Software' > 'Legacy software'
It says "No information found"? I have installed Malwarebytes, and Adblocker, Adobe Flash and Electric Sheep (Screensaver)
 
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I'll leave it till morning! If I do it now and things go tits-up I'll end up not sleeping tonight. Thanks for the help and advice. Much appreciated.
 
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Very quick and easy upgrade, unlike Windows which was a nightmare. Thanks for the help and advice peeps :)
 

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