A license key for Acrobat 2017 will not work for Acrobat 2020. Ensure your software version matches your key.
If you are already using the free trial of Acrobat Pro and want to convert it to a full version: Open . Go to the Help menu in the top toolbar. Select Activate Adobe Acrobat... or Sign In/Out . If prompted, click Activate or Join Now . how to activate adobe acrobat pro license key
Enter your serial number or sign in with the Adobe ID associated with your purchase. A license key for Acrobat 2017 will not
Sign in to Adobe.com, go to "Plans," and look under "Order History" or "Registered Products." Go to the Help menu in the top toolbar
Activating your Adobe Acrobat Pro license key is usually a quick 5-minute task. By keeping your Adobe ID credentials handy and ensuring your software version matches your key, you’ll be back to editing and signing PDFs in no time.
Search your inbox for "Adobe Order" or "Product Confirmation."