For information on the supported platforms, see the ZENworks System Requirements document.
If you have updated your zone to ZENworks 2020 Update 3, then ensure that you go through the following points before upgrading the Windows devices:
If you are deploying the agent for the first time, then the agent package includes .NET 4.8 Framework, which will be installed on the device, if not available.
The system update checks for .NET Framework version 4.8 or above on the device. If the required version is not available, then the update might not complete successfully. Ensure that you have .NET Framework version 4.8 or above on all Windows Managed Devices before deploying the system update. To download, click the Microsoft .NET download link.
If you are facing any issues while deploying, see ZENworks 2020 Update 3 Readme.
NOTE:You must reboot the device after the installation of .NET 4.8.