How to Get Rid of Viruses and Other Malware From Your Computer
Does your computer have a virus? Learn how to detect, scan, and remove viruses from your PC or laptop, and how to protect your devices.
Premium Security
Avast Ultimate
Our best multi-device antivirus bundle
Get our best security, privacy, and performance apps on up to 10 devices: PC, Mac, iOS, or Android. Enjoy award-winning protection against cyberthreats and safer browsing on public Wi-Fi. Block online tracking attempts and speed up your devices.
Avast Premium Security
Award-winning antivirus, plus more secure browsing, banking, and shopping.
Avast SecureLine VPN
Get true privacy with a click — even on unsecured or public Wi-Fi.
Avast Cleanup Premium
Clean out junk for more storage space and faster performance.
Avast AntiTrack
Stop snoops from tracking you — disguise your online identity with a click.
Avast Premium Security
Award-winning antivirus, plus more secure browsing, banking, and shopping.
Avast SecureLine VPN
Get true privacy with a click — even on unsecured or public Wi-Fi.
Avast Cleanup Premium
Clean out junk for more storage space and faster performance.
Avast AntiTrack
Stop snoops from tracking you — disguise your online identity with a click.
Single- or Multi-Device options
Works on PC, Mac, Android, and iPhone/iPad
Our products are built on 30+ years of experience
We have 435+ million users worldwide
All-in-one online protection
Advanced privacy and anti-tracking tools
Faster performance and more storage space
One download. Four products. All the protection you’ll ever need
Avast Ultimate includes every app you need to look after your PC, Mac, or mobile devices. So it’s more than just a multi-device antivirus bundle. Our suite of apps includes our most advanced antivirus to block all malware, including ransomware. Plus, get anti-tracking protection, VPN for total online privacy, and our top clean-up and tune-up tools. It’s all yours on up to 10 devices for yearly paid subscription.
Better protect your devices from cyberthreats anytime, anywhere
Stay safer from malware and cybercriminals, including viruses, spyware, and phishing websites, plus scam emails.
Browse more privately and safely on any Wi-Fi network
Shop, search, and pay for stuff with the added peace of mind of a military-grade encrypted VPN connection.
Optimize the performance of your devices, free up storage space
Temporarily disable greedy apps to make your devices faster. Clear out junk files to free up space for what’s important.
Reduce targeted ads and how much data companies collect about you
Control how often websites and advertisers track your activity and hide your online browsing habits and behaviors.
Enjoy all-in-one security, privacy, and performance optimization
Feel more in charge of your digital world across your PC, Mac, iOS, Android, or iOS device, thanks to some of our most forward-thinking apps to date.
Get complete online protection with Avast Premium Security
Avast Premium Security is our premium antivirus plus layers of extra security and privacy against viruses, ransomware, spyware, zero-second threats, home Wi-Fi network vulnerabilities, and more.
Enjoy true privacy with Avast SecureLine VPN
Keep everything you do online completely private with our VPN’s bank-grade encryption — browse, bank, message, and shop without having to worry about hackers or anyone else seeing what you do online or stealing your data.
Clean up and tune up your device in seconds
Easily eliminate junk for a cleaner, faster, more efficient computer or phone. You’ll also get quick-glance overviews of your device’s health, one-click maintenance care, bloatware removal, and much more.
This product is not available for iPhone or iPad.
Stop invasive online tracking
Snoops can exploit you by monitoring your online activities and creating a detailed profile about you. Our anti-tracking software warns you when anyone tries to track you — and stops them.
Stay Safe Virus Guarantee
Extra benefits at no extra cost
By simply keeping the (automatic) renewal for your Avast Ultimate subscription active, you also keep our Stay Safe Virus Guarantee. That way, if your device becomes infected, you have access to our virus removal service, and if we’re unable to fix, you’ll get your money back.
Learn moreSee what’s inside your all-in-one package
Block viruses, spyware, ransomware, and malware.
Shop and bank safely online — anytime, anywhere.
Use an advanced firewall to block intruders.
Protect your personal data and sensitive documents.
Keep scams away from your inbox
Hide your online activity from hackers, ISPs, etc.
Keep your real location and online activity private.
Shop and bank safely with an encrypted connection.
Connect safely to any hotspot, even on public Wi-Fi.
Block trackers from collecting and sharing your data.
Get alerts about tracking attempts.
Discover who’s trying to track you.
Disguise your online behavior when browsing.
Set up regular auto-maintenance to clean out junk.
Use a disk cleaner to safely delete leftover files.
30-day money-back guarantee
Here’s what our users say about us:
The UI for your software - amazing. Great work over the years. Can't say enough good things!
Ryan R.
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.
Eric S.
I’ve been using Avast for over a year and have found it one of the best free software protection devices on the market.
Daryl C.
Get the premium apps you need in one affordable package
Protect your computers, phones, and tablets from viruses and malware, strengthen your online privacy, and ensure your devices run at their best.
Avast Premium Security
Award-winning antivirus, plus more secure browsing, banking, and shopping.
Avast SecureLine VPN
Get true privacy with a click — even on unsecured or public Wi-Fi.
Avast Cleanup Premium
Clean out junk for more storage space and faster performance.
Avast AntiTrack
Stop snoops from tracking you — disguise your online identity with a click.
Avast Premium Security
Award-winning antivirus, plus more secure browsing, banking, and shopping.
Avast SecureLine VPN
Get true privacy with a click — even on unsecured or public Wi-Fi.
Avast Cleanup Premium
Clean out junk for more storage space and faster performance.
Avast AntiTrack
Stop snoops from tracking you — disguise your online identity with a click.
Single- or Multi-Device options
Works on PC, Mac, Android, and iPhone/iPad
You may still be wondering...
How to install
Get protected right away by following these 3 easy steps:
Step 2
2. Open the downloaded file
Open it and follow the on-screen installation instructions.
Step 3
3. Activate your subscription
Enter your activation code within the downloaded app once installed.
Note: For Android or iOS devices, please install and activate each Avast Ultimate app individually.
Get expert advice on digital security, privacy, and performance
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