Avast Antivirus is a computer security application, which provides protection against a range of potential threats, including viruses, spyware, malware and ransomware. It is currently recognised as the most popular antivirus program on the market and the free version of the software is suitable for personal and home use. The software is completely free and, in terms of virus protection, is sufficient for most users. The free version is designed for personal use and offers the same level of protection as the paid 'Pro' version of the software. However the 'Pro' version adds a number of peripheral features and can be used for commercial purposes. Not only is it safe to use the software, doing so will make a computer safer to use in general, because Avast will protect it from viruses and other threats that could potentially cause damage.

Although the software is classed as being an antivirus application, it is able to protect against, detect and remove viruses, spyware, malware, trojan horses, worms, ransomware and many other security threats. In addition to the Windows application, the software is also available on the iOS, Android and Mac platforms. The software requires a Windows-compatible PC, with an Intel Pentium 4 processor or above. It is also necessary to have at least MB of RAM and 2GB of free hard drive space. Moreover, a regular internet connection is strongly recommended in order to keep the software and its virus database up-to-date. To install the application, download the file, saving it to an easy-to-find location, such as your desktop. Then, locate the file and double click it to run the application. This will then start the installation process. If you see a 'User Account Control' prompt, select 'Yes'. Then, simply follow the on-screen instructions.

Users who currently have version 7. However, users with an older version of the software will need to uninstall that version first, before installing the new program. Although the application is not able to scan web-based email accounts, it will provide continuous protection against threats contained within messages. Moreover, when an email management program is being used, such as Outlook, the antivirus software is able to directly scan both incoming and outgoing messages for viruses. New versions of the antivirus software are released, on average, several times a year in order to fix issues and improve features. This means that all webpages with a web address beginning avast.

com such as www. To manage your cookie preferences in Google Chrome, refer to the instructions under Change your cookie settings in the following article from Google Chrome Help:. JavaScript is enabled for all websites by default in Mozilla Firefox. If you have disabled JavaScript using a browser add-on that allows you to customize your JavaScript settings, you need to re-enable JavaScript using this add-on. For more information about JavaScript settings in Mozilla Firefox, refer to the following article from Mozilla Support:. To manage your global cookie preferences for all websites that you visit using Mozilla Firefox, refer to the following article from Mozilla Support:.

If you prefer to enable cookies only for webpages that are part of the avast. JavaScript is enabled for all websites by default in Safari. If you have manually disabled JavaScript, follow the steps below to re-enable it:. It is not possible to enable cookies for specific websites in Safari. However, you can manage global cookie preferences that apply to all websites you visit using Safari. For more information about the options available, refer to the following article from Apple Support:. com now appears on your Allow list. To manage global cookie preferences that apply to all websites you visit using Microsoft Edge, refer to the following article from Microsoft Support:.

If you prefer to enable cookies only for the avast. com now appears on your list of Sites that can always use cookies. To enable JavaScript for all websites that you visit using Opera, refer to the instructions under Manage JavaScript in pages in the following article from Opera help:. If you prefer to enable JavaScript only for the avast. To enable cookies for all websites that you visit using Opera, refer to the instructions under Manage cookies in pages in the following article from Opera help:. Avast Free Antivirus for Windows is an essential security application that prevents viruses, spyware, and other malicious threats from infecting your PC.

Avast Free Antivirus is now installed on your PC and ready to use, but some components may not fully function until you restart your PC. It is no longer necessary to register Avast Free Antivirus, as your initial free subscription automatically activates after installation. If the issue persists, contact Avast Support and provide your setup log file. For instructions, refer to the following article:. Main regions Worldwide English Europe English América Latina español. Argentina Brasil Canada English Canada français Chile Colombia EE. español México USA English América Latina español. België Nederlands Belgique français Česká republika Danmark Deutschland España France Italia Magyarország Nederland Norge Polska Portugal Schweiz Deutsch Slovensko česky South Africa Suisse français Suomi Sverige Türkiye United Arab Emirates United Kingdom Ελλάδα ישראל Казахстан România Россия Україна українська Украина русский المملكة العربية السعودية الدول العربية Europe English.

Australia India इंडिया हिंदी Indonesia English Indonesia Bahasa Indonesia Malaysia English Malaysia Bahasa Melayu New Zealand Philippines English Pilipinas Filipino Singapore Việt Nam 日本語 대한민국 简体中文 繁體中文 ประเทศไทย Worldwide English. Please enable JavaScript For the best Support Center experience, JavaScript must be turned on in your browser settings.

To see the content of this webpage correctly, please update to the latest version or install a new browser for free, such as Avast Secure Browser or Google Chrome. Adding Avast Free Antivirus lets you run automatic smart scans on software, files, and apps to find cracks where malware can slip in, plus send suspicious files for analysis in the cloud, get threat alerts, and more. Avast Free Antivirus is more than just an antivirus. It also includes these privacy and security features:. Thank you, Avast, for the excellent work you do. I run your antivirus software on both my Mac OS X and my Windows machines. You have the best products on the market, period.

All devices require an internet connection for automatic security and program updates. Yes, there are various free antivirus software, although not all of them will provide you with full protection. Avast Free Antivirus is completely free and offers all the security you need. Trusted by over million users around the world, Avast uses advanced machine learning techniques to protect against ransomware attacks and other emerging threats. Avast Free Antivirus software detects, blocks, and removes all types of malware: viruses, adware, spyware, Trojans, and more.

Avast Free Antivirus software keeps your PC safe in real time without slowing it down. Looking for a performance boost? Speed up your PC and get rid of unnecessary files with Avast Cleanup Premium , or protect and optimize your PC all at the same time with Avast One. At the same time, it scans your PC to remove viruses and other malware automatically before they can do real damage. Our industry-leading antivirus engine is just one of the many reasons why Avast Free Antivirus consistently earns high praise and top awards from PCMag, AV-Comparatives, AV-Test, and other independent experts. We have one of the best antivirus software solutions available, because we have the right antivirus protection for all your needs.

In , Avast released a new and enhanced product called Avast One , which is now available in the United States , United Kingdom , Canada , Australia , Switzerland , France , and Germany. Webcam hacking and extortion is real. Find out if your webcam has been hacked, how to protect yourself and avoid living your own 'Black Mirror' nightmare. Spam text messages are the ultimate nuisance. Concerned about smart TV cameras and tracking? Find out if your Smart TV is spying on you and how to disable built-in cameras and voice-recording features. Scareware is designed to trick users into downloading malicious software. Here's how to identify fake virus warning popups and how to remove scareware. Mac users often feel protected by the security features in macOS, but Macs can get viruses. Find out why Mac viruses can still be a threat. Want to learn about malware? Read this ultimate guide to find out what malware is, how it works, how it spreads and what you should do to protect yourself.

Amazon scams are common, from Prime scams to phone scams. Learn how to spot them here. Learn how to unblock YouTube videos at school with a VPN, proxy, Tor, or browser add-ons to beat geo-restrictions. Learn more about some of our specialized privacy solutions, below. In order to view this page correctly, you must have a JavaScript-enabled browser and have JavaScript turned on. We apologize for any inconvenience. Learn how to enable it. Main regions Worldwide English Europe English América Latina español. Argentina Brasil Canada English Canada français Chile Colombia EE.

español México USA English América Latina español. België Nederlands Belgique français Česká republika Danmark Deutschland España France Italia Magyarország Nederland Norge Polska Portugal Schweiz Deutsch Slovensko česky South Africa Suisse français Suomi Sverige Türkiye United Arab Emirates United Kingdom Ελλάδα ישראל Казахстан România Россия Україна українська Украина русский المملكة العربية السعودية الدول العربية Europe English. Australia India इंडिया हिंदी Indonesia English Indonesia Bahasa Indonesia Malaysia English Malaysia Bahasa Melayu New Zealand Philippines English Pilipinas Filipino Singapore Việt Nam 日本語 대한민국 简体中文 繁體中文 ประเทศไทย Worldwide English. Avast defends the security and privacy of over million users worldwide. Advanced virus and malware protection. Home Wi-Fi network security. Easy to install, effortless to use. Smart Scan Scans your device for hard-to-find vulnerabilities in hidden places.

CyberCapture Automatically sends suspicious files for analysis in the Cloud, then pushes a cure to Avast users if needed. Behavior Shield Alerts you immediately if any of your apps start behaving suspiciously. File Shield Alerts you to any suspicious files — before you open them. Quarantine Stores potentially harmful files and completely isolates them from the rest of your operating system. It also includes these privacy and security features: Wi-Fi network security. Connect safely and with confidence, even on unsecured or public Wi-Fi networks. Block hackers and intruders from piggybacking on your network and stop them from accessing your sensitive, personal files.

Network Inspector Connect safely and with confidence, even on unsecured or public Wi-Fi networks. Firewall Our intelligent firewall monitors all network traffic between your PC and the outside world and blocks malicious intrusions. Safe browsing and emailing. Stay safe when browsing, emailing, or working online. Botnet Shield Protect your device against malware that allows hackers to control it and turn it into part of a bot network. Bot networks are used to send spam, steal data, distribute ransomware, commit fraud, and other potentially illegal activities. Web Shield Web Shield protects users from visiting a malicious website by blocking the websites when it detects any kind of malicious code or malware on sites.

Mail Shield Mail Shield alerts you to potentially malicious email attachment before you click on them. Ransomware protection. Stop hackers from accessing, changing, or locking your personal files then holding you to ransom. Ransomware Shield Keep your information safe. Don't let your personal photos, files, and documents become hostage to ransomware — automatically prevent untrusted applications from modifying, deleting, or encrypting them. Data leak alerts. Get an alert if any passwords linked to your email account have been compromised. Hack Alerts Keep your email accounts and their passwords secure. Over million users worldwide trust Avast. Ryan Rentfro. Eric Scherer. Daryl Colley. earns excellent scores in our hands-on tests and independent lab tests it offers much more than many competing commercial products It also protects you in real time by analyzing unknown files long before they reach your device.

How to install Get protected right away by following these 3 easy steps:. Step 1. Step 2. Step 3. PC with Windows 11 , 10 , 8. Mac running macOS Android phone or tablet running operating system Google Android 6. iPhone or iPad running iOS What does antivirus software do and how does it work? Is Avast Antivirus really free? Will Avast Free Antivirus software affect the performance of my device? How do I detect and remove viruses and other malware? Why is Avast one of the best free antivirus solutions? Why is Avast Free Antivirus even better than Windows Defender? Visit our Support Center for more FAQs. Looks like you're using Windows Looks like you're using Mac Looks like you're using Android Looks like you're using iOS Would you like this app for iOS?

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This will then start the installation process. Home » Softwares » Antivirus » Avast Free Antivirus. Show Reviews. Get an alert if any passwords linked to your email account have been compromised. Available languages English Arabic Chinese Czech Danish German Greek Spanish Finnish French Italian Japanese Korean Dutch Norwegian Polish Portuguese Russian Swedish Turkish.

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