AdBlocker Ultimate for Windows is a shareware software, which comes with a 14-day free trial. After expiring the trial period, you need to purchase a license in order to continue using our software. Here are the steps for activating AdBlocker Ultimate for Windows:

1. Open AdBlocker Ultimate for Windows and click on the License button in the top right corner:

2. Click on the Activate license... link and paste your 15-character license key. After that click Activate.

3. Now your AdBlocker Ultimate for Windows is fully activated for a particular time according to your subscription plan.

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