To help users evaluate these premium features, AdGuard offers a temporary free trial period (typically 3–14 days depending on the platform and promotion). Once this trial expires, the software restricts access to its advanced filtering capabilities, prompting users to purchase a license key.

Many users seek an method to extend this premium experience without immediately purchasing a license. This article explains how the trial works, why you might need to reset it, the risks involved, and better alternatives for 2026. What is the AdGuard Trial Period?

If you truly cannot pay, consider free alternatives:

AdGuard frequently offers for 3-5 devices at 60-80% discounts via StackSocial. These cost as little as $16–$25 for permanent access.

This can affect other licensed software (games, Adobe products) that also use hardware IDs for activation.