Adblockers handle your web traffic. A "cracked" version could easily be modified to log your data instead of protecting it.
Use the official 14-day trial for the Windows app. Adblocker Ultimate License Key Free
You don't need a "cracked" license key to enjoy an ad-free internet. By installing the from the official Chrome Web Store or Firefox Add-ons site, you get the full power of the software for free, safely and legally. Adblockers handle your web traffic
Since the developers offer the browser version for free without selling your data, they rely on the Windows Application sales and donations to keep the project alive. Instead of searching for a risky "free" key, consider: Adblocker Ultimate License Key Free