Operating system: Windows 11, 10, 8.1, 8, 7*
​ Free disk space: 50 MB minimum
​ RAM: 512 MB minimum
​ Internet connection: Required for automatic security and filter updates

*Note: For Windows 7, make sure you have installed the KB3033929 Security Update.

1. Navigate to the AdBlocker Ultimate website and click the Download for Windows button.

2. Run the downloaded installer and follow the on-screen instructions.

3. Once the installation is complete, AdBlocker Ultimate will launch automatically. Your 14-day free trial begins immediately — no activation required to start the trial.

After the trial period, purchase a licence and activate it using your 15-character licence key. See How to activate AdBlocker Ultimate for Windows.

Note: The installer screenshots above may not reflect the most current version of the application. The installation steps remain the same.