Adobe Acrobat How to Update Adobe Acrobat How to update Acrobat Reader DC on Windows 10 and MacOS   Open Adobe Acrobat Reader DC if you have not done so already.   Click on the help option on the top left corner.   Click Check for Updates.   If an update is available, it will automatically be downloaded and installed.   If needed, restart your computer. Ensure that all open files are saved before proceeding with this step.