Avast Antivirus is a software that provides protection to your computer system from various cyber threats such as viruses, malware, spyware, and other malicious programs. The following are the features and specifications of Avast Antivirus:

Features:

1. Real-time protection: It provides real-time protection against cyber threats and blocks them before they can harm your system.
2. Automatic Updates: Avast Antivirus updates itself automatically to keep your system protected from the latest threats.
3. Smart Scan: It scans your entire system for viruses, malware, and other threats in a single click.
4. Sandbox: Avast Antivirus has a sandbox feature that allows you to run potentially harmful files in a secure environment without affecting your system.
5. Web Shield: It blocks malicious and phishing websites from loading in your web browser.
6. Email Shield: It scans all incoming and outgoing emails for viruses and other threats.
7. Anti-spam: Avast Antivirus blocks unwanted and spam emails.
8. Firewall: It protects your computer from unauthorized access and network-based attacks.
9. Wi-Fi inspector: It checks your Wi-Fi network for vulnerabilities and provides recommendations to secure it.
10. Data Shredder: It securely erases files and folders to prevent recovery.

Specifications:

1. Operating System: Windows, Mac, and Android
2. Memory: 512 MB RAM
3. Storage: 2 GB free disk space
4. Processor: Intel Pentium 4 or later
5. Internet Connection: Required for software updates and real-time protection

Note: The system requirements may vary depending on the version of Avast Antivirus you are using.