Every so often Sage updates their Supported Platform Matrix (SPM) which shows which of the latest operating systems is compatible with the latest MAS90 and MAS200 release.
The one important thing to note is that MAS90 and MAS200 aren’t yet officially compatible with Windows 7.  We think it relates to the PDF writer used in the paperless office component.  It sounds like this will be addressed in a service pack by the end of this Month.  (March)
We bring you these here.
Supported Platform Matrix MAS200
Supported Platform Matrix MAS90