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How to Get and Use Adobe Acrobat Pro Full Version for Free

Failed to activate Adobe Acrobat because of the serial number was not valid for the product? Are you looking for a way to use trial version Adobe Acrobat Pro forever without expiration? In this tutorial we will show you how to upgrade trial version of Adobe Acrobat to a full version without purchasing it.

How to make Adobe Acrobat trial version to a full version

Trial version of Adobe products mostly come with 30 days or a few days trial period and it will expire after this time. To use Adobe Acrobat trial version without expiration, follow these steps below:

Step 1: Download and install Adobe Acrobat Pro from Adobe website onto you computer.

Step 2: Delete the cache.db and files from the following locations:

C:\Program Files (x86)\Common Files\Adobe\Adobe PCD\cache

Delete cache.db

Step 3: Press Win+R, enter in C:\windows\system32\drivers\etc\hosts, press Enter key.

Open hosts file

Open hosts file with Notepad and then add the following data.

Open hosts with Notepad

Modify hosts' contents

When done, press Ctrl + S to save it. Then close Notepad and go ahead the next step.

Step 4: Activate Adobe Acrobat with serial number.

In order to complete this activation successfully, you need to disable internet connection permanently. Launch Adobe Acrobat and accept the licensing agreement.

Accept the licensing agreement

Enter one of the serial numbers show as follows.


License and activate Adobe Acrobe Pro

And click Next. When you get the pop up for registration, choose skip or don't remind me again. That's all. Acrobat has successfully been activated and is ready to use. Information in this article also applies to any edition of Acrobat, including Adobe Acrobat XI, Adobe Acrobat X, Adobe Acrobat 9, etc.