Purchase antivirus protection for pc online and download

When purchasing your license, simply select how many Windows PCs you want to protect. During your license period, you can protect any number of Windows up to the total number that your license covers. For example, you could select a 3-PC license to protect up to three different desktops or laptops used in your family. Yes, you will get the latest version of the software and all upgrades subsequently released during your subscription term.

You can download, install, activate and start using the software immediately after your purchase. All transactions on our website are completely secure. We use cookies to make your experience of our websites better. By using and further navigating this website you accept this.

Easy to install, effortless to use. Get essential antivirus protection. Avast Free Antivirus scans Windows devices, like your laptop or desktop PC, for privacy, security, and performance issues, then tells you how to fix things instantly.

Over million users worldwide trust Avast. Join them. Intelligent Antivirus Detect and block viruses, malware, spyware, ransomware and phishing. We use smart analytics to stop threats before they affect you. CyberCapture Automatically send suspicious files for analysis in the cloud, and push a cure to all Avast users if it's a threat. Wi-Fi Inspector Automatically detect weaknesses in your home Wi-Fi and strangers piggybacking on your network.

Smart Scan Find all those cracks which allow malware to slip in, from unsafe settings and passwords to suspicious add-ons and out-of-date software. Layer upon layer of security. Ryan Rentfro. Eric Scherer. Daryl Colley. Why is Avast one of the best free antivirus solutions?

How does Avast Free Antivirus protect against so many types of threats? Will Avast One free antivirus software affect the performance of my device? How do I detect and remove viruses and other malware? All you need is a PC with Windows 10 , 8. Essential free protection is just one click away.

Would you like this app for Android? Would you like this app for Windows or Mac? Originally, antivirus scanned computer files and looked for patterns known to match computer viruses.

Today, the best antivirus engines use multiple methods for identifying known and unknown online threats, and antivirus is still a foundational component of security software. Antivirus is file-based protection, and after a virus attack, having virus-infected files on a target computer or mobile device is one of the main ways online threats remain on that device after the initial attack. Because of this, file-based protection will always be instrumental in helping detect, neutralize and remove viruses.

Antivirus is an important part of what you might call internet security, security software or device security. A computer, tablet or smartphone that connects to the Internet has the potential to encounter viruses and malware. While you may be careful what you do online, you could still visit a website that has been compromised with malware without even knowing it or download malware from a message from a trusted friend whose account was hacked.

Someone else who uses your device might not be as careful as you. Having antivirus and security software for your computer or mobile device gives you protection against many types of malware that might not be easy to spot.

Antivirus and security software will include a scanning function to check for viruses and malware. Antivirus and security software will include tools for virus and malware removal. If a Norton expert is unable to remove the virus from your device, then you may receive a refund based on the actual price paid for the current term of your qualifying subscription. Any refund will be net of any discounts or refunds received and less any shipping, handling and applicable taxes, except in certain states and countries where shipping, handling and taxes are refundable.

The refund does not apply to any damages incurred as a result of viruses. See norton. LifeLock identity theft protection is not available in all countries. All rights reserved. Firefox is a trademark of Mozilla Foundation. App Store is a service mark of Apple Inc. Alexa and all related logos are trademarks of Amazon. Microsoft and the Window logo are trademarks of Microsoft Corporation in the U.

The Android robot is reproduced or modified from work created and shared by Google and used according to terms described in the Creative Commons 3. Other names may be trademarks of their respective owners. Buy Now. Download a Free Trial. How Antivirus Works How do antivirus apps and antivirus software work? Malware Protection Norton security technology includes multiple defenses against viruses and malware.

How do you know if you have malware? How does malware put your computer at risk? Viruses and Malware What does Norton antivirus and security software help protect against? Protect your computer and personal information from hackers and criminals. Secure your firewall and block hackers from accessing your home network.

Securely store and manage all your online passwords in a single location. Delete sensitive files completely to ensure no traces are left behind.

Monitor up to 10 email addresses and get expanded monitoring with auto-renewal turned on. Get technical assistance and peace of mind from our dedicated team and support knowledge-base. Best Value! Protect the entire household using a single subscription; get peace of mind knowing your kids are protected online. Gain access to identity theft insurance and limited power-of-attorney restoration services on top of identity monitoring, for all-round peace-of-mind.

One-year subscription for trusted anti-virus and privacy protection for up to 10 devices. Browse confidently knowing risky sites will be blocked. Introductory Pricing for New Customers. See offer details. We monitor your personal info and notify you 10 months ahead of other services. If something needs attention, we'll guide you to secure your identity.

Rest easy knowing your personal data and search habits are safe from prying eyes. How safe are you online? Find out with Protection Score.