Since middle of the year 2023, a new version of ChemOffice + E-Cloud was released (version 22.2, for Windows only).
For Mac, there is a ChemOffice Professional installer, also in version 22.2.

You can find more information here: 
https://chem.medarbejdere.au.dk/en/internal-computer-systems/chemoffice-e-cloud

• NB: On the Revvity web-side it is announced that after March 25, download is no longer available. 
  AU-IT will grant a temporary option via https://software.au.dk/, but first after that date.