Top-level free security software for both detection rate and false positive rate
Avast Free AntivirusIs a security vendor in the Czech Republic Avast Security software developed by, even in the free version Real-time protection-Firewall-Network security scanThe detection rate and false positive rate (false positive rate) are always at the top level, and it is popular in Japan because it is one of the few free security software that supports Japanese.
Avast personal data sale issue
January 2020 AVAST is a browser User data collected by security extensions , Aggregate and sell anonymous usage data Sold to subsidiary JumpshotIt was discovered that he was making millions of dollars in revenue.
At one point, the browser extension in question was removed from its store, and Avast shut down Jumpshot after it was criticized.
Version 22 as of
OS: Windows 7/8/10/11
RAM: 1 GB or more
Storage: 2 GB or more free space
Where to get the software
Install Avast Free Antivirus
The Avast Free Antivirus installer bundles its own browser and Google Chrome.
Download the installer from the Avast download page from "Free download now".
Launch the downloaded installer, and when the User Account Control dialog is displayed, click "Yes" to allow it.
Developed by Avast in an environment where the Chrome browser is installed Avast Security Browser Is enabled for simultaneous installation, so if you don't need it Yes, install Avast Security Browser Uncheck to disable it.
Recommended securityinstalls all features except firewall and password manager , Minimum configuration is installed with antivirus function only.
When the installation is complete, the wizard will be expanded, so click "Continue".
If the Chrome browser is not installed, the Chrome installation screen will be displayed after installation, so if you do not need it, select "I do not agree".
Select "Continue with free version".
Click "Run First Scan" to start the smart scan.
Smart scan Browser threat-Virus & Malware-Advanced problems 3 items.
A vulnerable extension (plug-in) will be detected, so delete or skip it if necessary.
Virus & Malware
If malware is detected, remove it.
Advanced problems Then, vulnerabilities to firewalls and fake sites, etc. It is always detected if it is a PC with general settingsitem is displayed skip for now choose.
Click "Finish" to finish the smart scan Avast Free Antivirus Is enabled.
An advertisement for Avast products will be displayed, so select "Later" to complete the setup.
Anonymous data transmission settings
Anonymous data collection と Data sharing with third parties Is enabled, so disable it if you want to refuse data transmission.
The top right Menu から Configuration choose.
General Of Personal privacy to disable all items.
It could be disabled in the previous version, but the signature cannot be removed in the current version because the setting item has been deleted.
How to use Avast Free Antivirus
Antivirus does not require any special action as real-time protection runs in the background.
The ability to protect your device from threats such as malware is on the left sidebar protection Can be set from, with Avast Free Antivirus Virus scan-Main shield-quarantine-network inspector-Ransom shield-Firewall Is available.
Performed during installation for virus scanningSmart scanIn addition,Full virus scan-Partial scan-Boot time scan-Custom scan Detects malware, Potentially Unwanted Files (SUS), and Potentially Unwanted Programs (PUP).
Main shield is a module that monitors programs running on your PC, downloaded files, email attachments, etc. in real time. It is enabled by default, so no operation is required.
quarantine Now you can see, restore, and remove threats that Avast Free Antivirus has detected and quarantined.
network inspector is a feature that scans devices belonging to a network to detect vulnerabilities, and detects devices with security issues such as no password or bad password.
Ransom shieldis a feature that protects target folders from ransomware, by default document-Picture-Desktop folderIs protected, and folders can be added.
Windows standard Microsoft Defender Firewall Use Avast's Firewall instead.
Your Privacy The menu monitors login information leaks on the dark web Hack alertOnly available, but the free version only applies to the email address used by your Avast account.
performance In the menu, the notification is hidden when the registered application is displayed in full screen. Silent modeto check for updates for installed apps. Software updater Is available.
McAfee's security software that you can try McAfee Total Protection is a security software developed by the major security vendor McAfee LCC.
Sophos Home is a UK security vendor that develops saver security products for enterprises.
Russia's long-established security vendor Kaspersky's free virus software Kaspersky Security Cloud Free is a comprehensive […] developed by Russian security vendor AO Kaspersky Lab.
Free security software with top-level detection rate and false positive rate Avast Free Antivirus is a security software developed by security vendor AVAST in the Czech Republic, and even the free version has real-time protection […]
Panda Dome (Free Antivirus), a free cloud-based antivirus app with little impact on system performance, is being developed by Spanish security vendor Panda Security […]