Avast Antivirus logo

Avast Antivirus Official Download Page

Security · v23.9.0 · Freemium

Comprehensive protection against malware and online threats

4.8/5
100K+ downloads
Size: 200 MB
Updated: May 3, 2026

Official source from Avast Software s.r.o. — final package type is controlled by the vendor

Alternate mirror sources (if official is unavailable)

Download directly from the official site using the button above. We link only to official sources — no third-party mirrors.

🪟 Avast Antivirus for Windows Official download page download page (200 MB) #antivirus #security #malware protection #windows #offline installer #IT management #enterprise

Download Summary

Source

Avast Software s.r.o. official download page

Platforms

Windows

Current listing

v23.9.0 · 200 MB

Avast Antivirus Overview

Avast Antivirus is a security tool from Avast Software s.r.o. for Windows. Comprehensive protection against malware and online threats. This listing points to the official vendor download source so users can choose the current package, installer, or platform build published by Avast Software s.r.o.. Use it for malware protection, privacy, and device security, then confirm the package type, version, and system requirements on the vendor's page before installing.

Avast Antivirus runs on Windows and is commonly used for malware protection, privacy, and device security. Key capabilities include real-time threat detection using machine learning (version 23.9.0), built-in firewall for monitoring network traffic, vulnerability scanning for outdated software applications.

This listing currently points to the official download page from Avast Software s.r.o.. The vendor may provide a direct installer, web installer, package manager command, or platform-specific build on that page. Because the final package is controlled by the vendor, confirm the file type and version on the official source before installing.

Download Notes

Use the buttons above to open the official download source for Avast Antivirus. Before installing, check the package type, supported operating systems, and any release notes the vendor provides.

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Official source

The primary button points to the official download page from Avast Software s.r.o..

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Package type

This listing opens the vendor's download page, where the final installer or build is chosen by the publisher.

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Platform coverage

Avast Antivirus is listed for Windows. Check the OS-specific buttons for the best available source.

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Release details

Version v23.9.0 and the current file size are shown on this page so you can confirm you are downloading the expected build.

Avast Antivirus Key Features

  • Real-time threat detection using machine learning (version 23.9.0)
  • Built-in firewall for monitoring network traffic
  • Vulnerability scanning for outdated software applications
  • Password manager for secure credential storage
  • Scheduled scans for regular system checks
  • Web shield to block malicious websites

How to Download and Install Avast Antivirus

Follow these steps to get Avast Antivirus from the official source and complete the setup on your device:

  1. 1
    Open the official download source

    Use the download button above to open the official download page for Avast Antivirus v23.9.0 from Avast Software s.r.o..

  2. 2
    Choose the right build for your platform

    Select the installer or package that matches your operating system and architecture. This page lists support for Windows.

  3. 3
    Run the installer or package

    Launch the downloaded file and follow the vendor's setup prompts. Some vendors provide a full installer, while others use a lightweight downloader.

  4. 4
    Confirm the installed version

    After setup, open Avast Antivirus and confirm the version, license tier, and any first-run settings or updates offered by the vendor.

Avast Antivirus — Versions & Official Download Sources

Platform availability and download links for each release.

🪟 Windows .exe / .msi
Version Released 🪟 Windows What Changed
v23.9.0 LATEST May 3, 2026 ↗ page Current stable release

ℹ️ Direct installer links are shown only when verified. Otherwise, links open the official vendor download page where the publisher controls package selection.

Avast Antivirus System Requirements

Baseline requirements to run the current Avast Antivirus release:

Operating System
Windows 10 64-bit or later
Memory (RAM)
2 GB RAM minimum
Disk Space
200 MB free disk space
Processor
Intel Core i3 or AMD equivalent

How to Install Avast Antivirus

Follow these steps to install Avast Antivirus offline on your PC:

  1. 1

    Download the Avast Antivirus offline installer from the official source below.

  2. 2

    Locate the downloaded installer file in your Downloads folder or the location you saved it.

  3. 3

    Right-click the installer file and select 'Run as administrator' to start the installation process.

  4. 4

    Follow the on-screen prompts to accept the license agreement and choose your preferred installation options.

  5. 5

    Wait for the installation to complete, which may take a few minutes depending on your system.

  6. 6

    Launch Avast Antivirus — installation is complete.

Download Avast Antivirus — All Options

Choose the right installer for your operating system and architecture:

ℹ️ All links go directly to official sources. We never host installer files.

Common Avast Antivirus Installation Issues & Fixes

Ran into a problem? Here are the most common issues and how to fix them:

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Installer won't launch / shows 'Windows protected your PC'

Right-click the installer file, select Properties, check 'Unblock' at the bottom, then click OK and run again. This happens because the file was downloaded from the internet.

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Installation fails with an error message

Ensure that your Windows is up to date and that you have sufficient disk space. Temporarily disable any other antivirus software that might be conflicting with the installation.

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Avast Antivirus does not start after installation

Restart your computer and check if Avast appears in the system tray. If not, try reinstalling the software, ensuring you have administrative privileges.

Avast Antivirus Download FAQ

What types of malware does Avast Antivirus protect against?
Avast Antivirus provides protection against various types of malware including viruses, ransomware, spyware, and adware. It employs advanced heuristics and behavioral analysis to detect and neutralize threats in real-time, ensuring comprehensive security for users.
Can Avast Antivirus be used alongside other security software?
While Avast Antivirus can be installed alongside other security solutions, it is recommended to disable or uninstall other antivirus programs to prevent conflicts. Running multiple antivirus solutions simultaneously can lead to performance issues and reduced effectiveness in threat detection.
What does this Avast Antivirus download page link to?
This page links to the official download page for Avast Antivirus from Avast Software s.r.o.. The vendor controls the final installer, package type, version, and platform selection.
Is this a direct installer file for Avast Antivirus?
A verified direct installer file has not been confirmed for every platform in this listing yet. When a direct installer file is available, the button label shows the installer extension such as .exe, .msi, .dmg, .pkg, .deb, .rpm, or AppImage. Otherwise, the button opens the official vendor download page.
Which platforms does Avast Antivirus support?
Avast Antivirus is listed for Windows. Check the vendor's official page for the latest platform-specific installer, architecture, and system requirement details.
Is this an official Avast Antivirus download?
Yes. We link to the official source from Avast Software s.r.o. and do not host modified installers, repacks, or third-party mirrors.

Download Details

Software
Avast Antivirus
Version
v23.9.0
Developer
Avast Software s.r.o.
License
Freemium
Installer Type
Official download page
File Size
200 MB
Last Updated
2026-05-03T13:36:26.065Z
Platforms
Windows
Open Windows download page

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