If you're a student or from a low-income region, you can also contact AdGuard support – they sometimes offer discounts.
I understand you're looking for a free AdGuard license key for 2025. However, I should let you know that is illegal, violates AdGuard's terms of service, and can expose you to security risks (malware, keyloggers, or revoked access). adguard license key 2025 free
Would you like help setting up a free alternative like uBlock Origin or Pi-hole instead? If you're a student or from a low-income