Avast One is a security and optimization tool that scans your PC to identify unnecessary items and performance issues, frees up disk space to improve the speed of your system, and allows you to browse safely and privately online.
Avast One is a security and optimization tool that scans your Android to identify unnecessary items and performance issues, frees up space to improve the speed of your device, and allows you to browse safely and privately online.
This article assumes that the latest version of Avast One is installed and activated on your device. For detailed instructions, refer to the following articles:
Each time you open Avast One, you see alerts that need your attention. ClickTap the alert to resolve it. Alerts notify you about the following issue types:
- Disconnection issues
- Scan reminders
- Leaked data
If you are using Avast One for the first time, or you have no immediate alerts to resolve, select Run Smart Scan and follow the on-screen instructions. Smart scan detects the following issues on your device:
- Bad browser add-ons
- Viruses and malware
- Vulnerable software
- Vulnerable apps
- Performance issues
Protect your device
Avast One includes many protection features, such as scans and shields, which help your PC run safely and alert you about harmful files and connections. To use these features and manage their settings:
Avast One includes many protection features, such as scans and shields, which help your Android run safely and alert you about harmful files and connections. To use these features and manage their settings:
- Click the Device protection tile on the Avast One dashboard.
- Select one of the following features:
- Scans: Run Deep Virus Scan, Targeted Scan, Boot Time Scan, and Disk Clean.
- Real-time file scanning: Manage settings for Real-time file scanning, which scans each file as you open it.
- Ransomware shield: Protect specific folders and file types from being corrupted by ransomware. From here, you can also block or allow specific apps that try to access your protected folders and file types.
- Web Shield: Manage settings for Web Shield, which blocks web attacks and unsafe downloads. From here, you can also click Show Blocked websites to add a website that you want to block.
- Firewall: Define which programs and services on your PC can connect to the internet, and how. Select Block next to a service you don't want to connect to the internet. From here, you can also specify whether you want your PC to be visible or hidden. We recommend keeping your PC hidden unless you want to connect to another device on a private network.
- Virus Chest: Add files to the Virus Vault, which acts as a quarantine for suspicious files. From here, you can send them to Avast Threat Labs for analysis, restore the files, and add the files as exceptions.
- Sensitive Data Shield: Protect files containing sensitive personal data, such as passwords and banking information, from unauthorized access and malware.
- Fraudulent site detection: Secure your URLs, and prevent hackers from redirecting you to fake websites by hijacking your DNS (Domain Name System) settings.
- Tap the Device protection tile on the main Avast One screen.
- The following features are available:
- Quick Scan: Scan Avast One and device settings for potential security gaps and malware. You can also enable Auto-run Quick Scan, which schedules Quick Scan to run once every day.
- File scan: Scan a specific file or folder for vulnerability issues and malware.
- Deep Scan: Scan your entire device for potential security gaps. This scan may take several minutes to complete.
- Web Shield: Enable this shield to allow Avast One to alert you when a website you're trying to visit is dangerous.
- Malware shields: Manage behavior for App Shield, File Shield, and Low-reputation apps.
- Virus database: Enable Auto-update only over Wi-Fi to ensure the Virus database is always up to date, so Avast One knows what the scan for.
- Ignored issues: Return to previously ignored alerts to resolve them.
Avast One includes a Virtual Private Network (VPN) feature, which disguises your real IP address while you browse online. To connect to the VPN:
Avast One includes useful security features, such as a Virtual Private Network (VPN) that disguises your real IP address while you browse online, and a Wi-Fi scan that checks the networks you're connected to for security risks. To use these features:
- Click the Secure connection tile on the Avast One Dashboard.
- Click the slider so that it changes from orange (OFF) to green (ON).
- Additionally, allow the VPN to connect automatically by ticking Turn on VPN automatically.
Your PC is now connected to the VPN.
- Select the Secure connection tile on the main Avast One screen. From here, you can take the following actions:
- Connect VPN: Tap this option to enable the VPN connection. You can also change your change your connection location in the Browse from: drop-down menu. Click the current location, and select a new location to change it.
- Scan Wi-Fi: Tap this option to check the networks your Android is connected to for security risks. Optionally, tap the slider next to Auto-scan Wi-Fi so that it changes from white (OFF) to green (ON) to allow Avast One to scan every new network your device connects to.
Protect your identity
Avast One's built-in identity protection features protect your personal data and alert you if a breach occurs. To use these features and manage their settings:
Avast One's built-in identity protection feature protects your personal data and alerts you if a breach occurs. To use this feature:
- Click the Personal Identity tile on the Avast One Dashboard.
- Select one of the following features:
- Data leak monitoring: monitors your email addresses for leaks, and alerts you if any breaches occur.
- Browser clean-up: deletes browser history and cache that track you as you browse online.
- Webcam Shield: blocks applications and websites from accessing your webcam without your permission.
- Click the Personal Identity tile on the main Avast One screen.
- Enter the email address you want to check for data leaks, and tap Check For Breaches. Wait while Avast One checks if your added email address has been involved in any online data breaches.
- Select Add Account To See Details to sign in to Avast One and continue monitoring the email address in real time.
...or, select Done to return to the main Personal Identity screen.
When you use the performance tools regularly, they can enhance your PC's performance, clear disk space, and eliminate unwanted programs and security risks. To use the performance features:
When you use the Performance Scan regularly, it can enhance your Android's performance by clearing storage space, and silence apps in the background. To use Performance Scan:
- Click the Smooth performance tile on the Avast One dashboard.
- Select one of the following features:
- Scan for junk: Runs a Smart Scan, which detects bad browser add-ons, viruses, vulnerable software, and other performance issues that may be lurking on your PC.
- Disk Cleaner: Clean redundant or unnecessary files found during Avast One scans.
- Software Updater: Update outdated programs on your PC. From here, you can also allow Software Updater to automatically update outdated programs without notifying you.
- App Optimizer: Put background apps to sleep, and preserve your PC's resources for the apps you want to run.
- Tap the Smooth performance tile on the main Avast One screen to open
- Tap Performance Scan to check your device for junk files and unused apps. Wait while Avast One scans your device, which may take several minutes.
- Tap Boost to resolve all found issues. Alternatively, select Continue to skip resolution and go back to the main Performance screen.
- From the main Performance screen, tap the slider next to Automatically free up space so that it changes from white (OFF) to green (ON). Enabling this option allows Performance Scan to scan and remove junk on your device every day.
To manage settings in Avast One, go to the User icon ▸ Settings, then scroll to one of the following settings:
- Update: Update virus definitions and application version to ensure you're using the latest version of Avast One.
- Notifications: Specify which notifications you want to see from Avast.
- Exceptions: Define websites, files, and folders you want to exclude from all scans and shields.
- Password: Create a password for Avast One, and specify which parts of the app it protects.
- Troubleshooting: Enable Passive Mode, delay Avast startup, repair the Avast app, and back up or reset app settings.
- Notifications: Specify which notifications and reminders you want to see from Avast.
For more information about Avast One's features, refer to the following article:
- Avast One 20.x for Windows
- Avast One Free 20.x for Windows
- Avast One 1.x for Android
- Avast One Free 1.x for Android
- Microsoft Windows 10 Home / Pro / Enterprise / Education - 32 / 64-bit
- Microsoft Windows 8.1 / Pro / Enterprise - 32 / 64-bit
- Microsoft Windows 8 / Pro / Enterprise - 32 / 64-bit
- Microsoft Windows 7 Home Basic / Home Premium / Professional / Enterprise / Ultimate - Service Pack 2, 32 / 64-bit
- Google Android 5.0 (Lollipop, API 21) or higher