Avast One 2025 25.8.10387 – Download All‑in‑One Antivirus

Avast One combines award-winning free antivirus with advanced protection to help you safeguard your privacy, connect securely, optimize device performance, and stay safe from cybercrime. It also remains a reliable free antivirus solution with privacy protection and device optimization.

Tired of juggling multiple security programs to stay protected online? Avast One is a comprehensive security suite that combines powerful antivirus, advanced anti-malware, and real-time threat defense in one package. It goes beyond basic protection with a secure VPN for private browsing, data breach monitoring tools, and performance optimization to keep your PC running smoothly. With Avast One, you get everything you need for online safety and system speed in a simple, all-in-one solution.

Avast One Essential Features:

• Block viruses and malware with an advanced antivirus
• Keep intruders out with a firewall
• Get additional privacy whenever you browse, use financial institutions, or shop
• Secure your Wi-Fi connections with a VPN
• Find compromised passwords
• Speed up your PC

Turn your Computer and Smartphone into fortresses

Get peace of mind with an award-winning antivirus on your side that’s packed with features but won’t slow down your PC. It is a trusted, lightweight antivirus software for fast performance.

• Protection on every device. Always-on security built on Avast Free Antivirus, awarded PCMag Editors’ Choice for 2021, and trusted by tens of millions of users.
• Don’t lose sleep over ransomware attacks. Rest assured that your private information is secure and safe with Ransomware and Sensitive Data Shields.
• Avoid dangerous and scam websites. Use Web Hijack Guard to block fake and malicious sites that trick you into revealing personal information.
• Secure your webcam. Get notifications when any app attempts to access your webcam. Webcam Shield lets you control what gets access and what does not.

Privacy Protection and Personal Security

Protect your identity and personal information from cybercriminals while maintaining your desired level of online privacy.

• Browse with more privacy and security. Enjoy military-grade security with VPN Secure Connection wherever you go online—at home, a café, or the airport.
• Secure compromised online accounts. Check if your passwords have been compromised with Data Breach Monitoring, and quickly secure any affected accounts.

Get your devices into the shape of their lives.

Quicker processing, more storage space, and longer battery life will make your PC and phone feel newer.

• Ensure all your applications are up-to-date. Discover and install software updates for popular applications conveniently in a single location with just a few clicks.
• Optimize device storage, shortcuts, and browsers. Clear numerous file types, remove broken shortcuts, and eliminate unnecessary browser files to maximize storage space.
• Speed up your PC by optimizing app performance. Reduce the background activity of apps to prevent them from draining your PC’s resources when not in use.
• Update your PC’s drivers from one place. It automatically checks for new drivers for your PC’s hardware, notifies you when updates are available, and installs them from one place with just a few clicks.