This software requires macOS version 10.15.0 or later
my iMac hasn't got the latest
macOS version 10.15.0 or later
my iMac hasn't got the latest
macOS version 10.15.0 or later
The software requires the specified version, or newer.
Please post the iMac model year as shown from 🍎 > About This Mac, and with both the model (an iMac) and the iMac model year, we can tell you what your macOS upgrade options might be for that particular iMac,
This software requires macOS version 10.15.0 or later