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ChemOffice+ Cloud & ChemDraw - How to Download, Install & Renew

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New user: activation & download

Go to the IS&T ChemOffice+ Cloud page and Register for a Perkin Elmer Account and login.

  • You will receive an email with a confirmation link, that will have you create a password, then log you in.

ChemOffice+ Version 20 and newer (Windows & Mac)

Go to the IS&T ChemOffice+ Cloud page and Register for a Perkin Elmer Account and login.

ChemOffice Professional Versions 19 -17 (Windows & Mac)

Go to this link for Version 17 and above

Once you are logged into the PerkinElmer portal.

  1. Go to ChemOffice Professional link center of the page (under the Latest Version tab).
  2. Choose the appropriate items and download.
    1. This will download an installer.
    2. When you open the Installer you see an Akamai NetSession Interface.pkg, click on this.
    3. You need to click Continue and accept PerkinElmer's license terms until the software is downloaded.
  3. Open the downloaded software installer.
    1. Agree again to accept PerkinElmer's license terms.
    2. Drag the software to your Applications folder.

Run the downloaded software.

  1. A window opens. Fill in your Name, Organization, email and the Activation Code available through the IS&T ChemDraw page.

Your installation is complete.


All MIT licenses for ChemOffice+/ChemDraw expire annually in September.
In order to maintain your working copy of ChemOffice+/ChemDraw, please follow the steps below.

ChemOffice+ Versions 20 and newer (Windows & Mac)

  1. If you have ChemDraw/ChemOffice installed previously, you may see the following message about license expiring as below when you start the application. 
  2. Click on “Continue” to Launch the ChemDraw/ChemOffice application.
  3. Find “Activate ChemDraw” or “Activate ChemOffice” from the menu bar. 
  4. Deactivate the existing license first
  5. Enter the Activation Code available through the IS&T ChemOffice + page for v. 20.x and click Activate.
  6. If the activation fails, you may need to re-open and then “Run as Administrator” to try to activate the license again.

ChemOffice Professional Versions 19 -17 (Windows & Mac)

You need to reactivate with the new Activation Code available through the IS&T ChemDraw page. Reactivating will extend your current software's license for the next license year.

  1. To reactivate, launch the ChemDraw/ChemOffice application. Find Activate ChemDraw/ChemOffice Professional  and click on it.
  2. Enter the Activation Code available through the IS&T ChemDraw page.
  3. Then click Activate.

Get help with installation issues

Contact Tech Support at Revvity Signals (formerly Perkin Elmer):

If you have questions about licensing or obtaining this software:

IS&T Contributions

Documentation and information provided by IS&T staff members

Last Modified:

April 17, 2024

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  1. Dec 28, 2016

    Comment received from an Employee needing an older version: Just as an FYI, the section for "Older Version & Related
    Software Downloads" is out of date, as Perkin Elmer now just makes the user
    contact customer service. We will update this page after confirming the process with Perkin Elmer.

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