We've tried installing the ElCapitan software to then upgrade to Catalina but it is not working. What should we do?
you can find detailed specs on your particular Mac here, to find out what versions of macOS it can actually run:
Your iMac must be a 2012 or newer version to install Mojave or Catalina. Do "About this Mac to find the submodel:
The following instructions for High Sierra may help: How to upgrade to macOS High Sierra - Apple Support
What is the year of your iMac and what operating system is it currently running? Go to Apple menu > About This Mac for that information.
Without any idea model and year of your iMac, I can only guess that it may be too old to be able to run Catalina. Older models do not have the necessary components to run newest software.
High Sierra is the latest OS your computer will accept. You should be able to download it from the Apple store. Good luck.
Thanks alot for all the help, it is from late 2009 so Catalina wont work on it. Thanks.
how can I upgrade my iMac?
