Are you an early adopter, or a cautious delayer? Here’s some advice about the forthcoming upgrade to Catalina to help you decide.
When you can’t install what the App Store offers: solutions for downloading and installing older versions of macOS for use with Catalina.
The Catalina upgrade promises to be the most complex for years, catering for loss of 32-bit support and its read-only file system. How are you planning to upgrade?
How can we continue running a PowerPC-only legacy app?
Friends need a specialist Windows app, but want to run it on a Mac. Is this wise or feasible?