Adguard 2.5.1 (918) Release (2026)

AdGuard VPN for Windows version 2.5.1 (918), released on March 10, 2025, introduces post-quantum cryptography to enhance user data security alongside significant performance optimizations and driver updates. The update also resolves compatibility issues with Windows 8.1 and addresses various user interface bugs to improve overall stability. Read the full story at AdGuard VPN for Windows Release Page . AdguardTeam/AdGuardVPNForWindows v2.5.1 on GitHub