Available downloads are shown on the Home page. If you registered on the Perkin Elmer site before 2018 you will need to create a new account on Perkin Elmer's Flexnet page at.Once you have done this, you should be able to start ChemOffice.
You are NOT allowed to distribute these details to anyone else, ever. Installation on a single unmanaged Windows machine Activation should occur automatically on first use. If you use a Windows machine managed by the department, you should use WPKG to install the software. Installation on a managed Windows machine