Avast Ultimate Security for Windows
Essential Protection for Your PC
Avast Ultimate Security Antivirus provides essential security for your Windows PC, protecting against viruses, malware, and spyware without slowing down your computer.
About Avast Ultimate Antivirus for Windows
Avast Ultimate Antivirus for Windows is one of the most popular antivirus solutions in the world, trusted by millions of users. It offers comprehensive protection against various online threats, including viruses, malware, spyware, and ransomware, specifically optimized for Windows operating systems.
With its intelligent threat detection system, Avast Ultimate Antivirus can identify and block threats in real-time, keeping your Windows PC safe while you browse, shop, bank, or work online. The software runs silently in the background, using minimal system resources to ensure your computer maintains optimal performance.
Despite being free, Avast Free Antivirus includes many features typically found only in premium security solutions, making it an excellent choice for Windows users looking for reliable protection without the cost.
Key Windows Features
Intelligent Antivirus
Detects and blocks viruses, malware, spyware, ransomware, and phishing attacks in real-time using advanced machine learning technology optimized for Windows.
CyberCapture
Automatically sends suspicious files to the Avast Threat Lab for analysis and creates a cure if needed to protect all Avast users.
Smart Scan
Scans for security threats, software updates, network issues, and performance problems in one click, specifically designed for Windows systems.
Wi-Fi Inspector
Scans your Windows PC's network for vulnerabilities and identifies potential security issues with your router.
Behavior Shield
Monitors all programs on your Windows PC in real-time for suspicious behavior to protect against zero-second threats.
Game Mode
Automatically detects when you're gaming on Windows and optimizes your system for the best gaming experience without interruptions.
Windows Screenshots
Windows System Requirements
Operating System
Windows 11, Windows 10, Windows 8/8.1, Windows 7 SP1 or higher
Memory
256 MB RAM or above
Disk Space
2 GB of free hard disk space
Processor
Intel Pentium 4 / AMD Athlon 64 processor or above (must support SSE2 instructions)
Internet Connection
Required for automatic updates and product activation
Screen Resolution
Minimum 1024 x 768 pixels
Download Avast Ultimate Antivirus for Windows
Get started with Avast Ultimate Antivirus on your Windows PC:
How to install
Get protected right away by following these 3 easy steps:
2. Open the file
Open the downloaded file and approve the installation.
3. Install the file
Run the installer and follow the simple instructions.
Windows-Specific FAQs
Is Avast Ultimate Antivirus compatible with Windows 11?
Yes, Avast Free Antivirus is fully compatible with Windows 11 and has been optimized to work with Microsoft's latest operating system.
Will Avast Ultimate Antivirus conflict with Windows Defender?
Avast Free Antivirus automatically disables Windows Defender to prevent conflicts and ensure optimal performance. This is standard practice for third-party antivirus software on Windows.
How does Avast Free Antivirus impact Windows performance?
Avast Ultimate Antivirus is designed to use minimal system resources on Windows. It includes performance optimization features and runs most scans when your computer is idle to minimize impact on your system's performance.
Can I use Avast Ultimate Antivirus with other Windows security software?
It's generally not recommended to run multiple antivirus programs simultaneously on Windows as they can conflict with each other. However, Avast Free Antivirus can work alongside certain specialized security tools that don't provide the same core functionality.
Does Avast Free Antivirus protect against Windows-specific threats?
Yes, Avast Free Antivirus is specifically designed to protect against threats targeting Windows operating systems, including Windows-specific malware, exploits, and vulnerabilities.