Windows 7 and later are supported, older operating systems are not supported (and do not work). Both x86 and amd64 (x64) binaries are provided for Windows. Please note, the ARM version of Windows is not supported for now.
Only 64bit binaries are provided for OS X, and the minimum OS X version supported is OS X 10.9.
AirBase Desktop 2.0.1 April 2 2019
Release notes for version 2.0.1
AirBase Desktop 2.0.0 March 3 2019
Release notes for version 2.0.0