Acrobat Reader migration to 64-bit

Starting with February 2021 release, 64-bit versions of Acrobat Reader, Acrobat Standard, and Acrobat Pro on Windows are available to download for selected geographies. Now, the 64-bit version of Acrobat Reader is available to download for all locales:

Download Acrobat Reader 64-bit

If you have installed the 32-bit Acrobat Reader application, you will be automatically upgraded to the 64-bit version of Acrobat Reader gradually. This upgrade is silent and currently applicable to a limited number of users. You are excluded from the automatic upgrade to 64-bit if you do any of the following:

• Use an Enterprise or Federated ID to sign in to Acrobat Reader.
• Customize Acrobat Reader using the Acrobat Customization Wizard and install it.
• Install third-party plugins.
• Disable the automatic updates in Acrobat Reader.

How to identify if Acrobat 64-bit or Acrobat Reader 64-bit is installed

The 64-bit application is a unified application for Acrobat and Acrobat Reader. The default installation location is C:\Program Files\Adobe\Acrobat. If you have installed Acrobat Reader 64-bit and you purchase an Acrobat subscription, the Acrobat Reader 64-bit application will upgrade to become a fully functional Acrobat 64-bit application. To identify the installed application, do the following:

How to stop automatic upgrade of Acrobat Reader 32-bit to Acrobat Reader 64-bit

To stop the Acrobat Reader 32-bit application from automatically upgrading to the 64-bit version, create the following registry key before the first launch of the application: