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avast! Virus Definitions Update May 3, 2025
Protect your system and valuable data against computer viruses. Learn what's new on this latest version. Click here if the download does not begin automatically.
avast! is a collection of award winning, high-end technologies that work in perfect synergy, having one common goal: to protect your system and valuable data against computer viruses. avast! represents a best-in-class solution for any Windows-based computer
iAVS is a fast, small, incremental and fully automated update via the Internet. Updates are released at least twice a week. Read more.
iAVS is a fast, small, incremental and fully automated update via the Internet. Updates are released at least twice a week. Read more.
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Avast is packed with the largest threat-detection network, machine-learning virus protection, easy password management and home network security that won't slow down your PC.
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- Windows, macOS, Android, iOS
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Properly uninstall Avast products with Avast! Clear (Antivirus Uninstall Utility).
- Freeware
- Windows
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Secure your files with an extra layer of ransomware protection, block spam, and eep hackers out with a powerful firewall.
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