ActiveWords 4 is designed for use with Microsoft Windows.

Windows 11, Windows 10 (Build 1607 or later) or Windows Server 2019.

NOTE:

The last version supported on Windows 7 with SP1 is ActiveWords 4.0.18380.914.

Since Microsoft have stopped supporting Windows Server 2016 and while ActiveWords will install and run on Windows Server 2016 some features may not work correctly. Currently this is limited to being unable to type letters with diacritical marks.