Free tools Windows power users keep installed
One-click scans. No signup required.
Before buying, check how many devices the plan protects at once, whether it supports every operating system in your household, what protection each platform actually gets, and how device transfers, renewals, and cancellations work. “Multi-device” is not a standard allowance or feature set: confirm the terms for the exact plan, seller, and region.
How many devices does the subscription cover at once?
Look for the maximum number of simultaneously active devices, not just a vague claim that a plan is suitable for a family. A device limit may apply even if you install only one of several included apps.
As an Amazon Associate I earn from qualifying purchases.
For examples, Avast says its Ultimate Multi-Device plan can be activated on up to 10 devices simultaneously, while its single-device subscriptions are limited to one device at a time. AVG gives the same stated limits for Internet Security Multi-Device and its single-device tier. These are plan-specific figures, not an industry-wide standard; check the current offer before purchase. Avast Ultimate Multi-Device FAQ; AVG Internet Security Multi-Device FAQ
Quick wins for a faster PC:
Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Clear out junk files and repair common Windows errorsFree Scan →Scan for outdated or missing drivers - takes under a minuteDriver Scan →- Count the computers, phones, and tablets that need protection concurrently.
- Check whether a device uses one slot per device or whether the vendor defines the limit differently.
- Confirm what happens when you reach the limit: whether you can remove an old device, transfer a license, or need to buy another subscription.
Does it support every operating system you use?
Check support for the specific operating systems and versions on your devices. A plan that names Windows, Mac, Android, and iOS does not necessarily provide identical apps or features on all four.
#1 Best Overall
- SPEED-OPTIMIZED, CROSS-PLATFORM PROTECTION: World-class antivirus security and cyber protection for Windows (Windows 7 with Service Pack 1, Windows 8, Windows 8.1, Windows 10, and Windows 11), Mac OS (Yosemite 10.10 or later), iOS (11.2 or later), and Android (5.0 or later). Organize and keep your digital life safe from hackers
- SAFE ONLINE BANKING: A unique, dedicated browser secures your online transactions; Our Total Security product also includes 200MB per day of our new and improved Bitdefender VPN
- ADVANCED THREAT DEFENSE: Real-Time Data Protection, Multi-Layer Malware and Ransomware Protection, Social Network Protection, Game/Movie/Work Modes, Microphone Monitor, Webcam Protection, Anti-Tracker, Phishing, Fraud, and Spam Protection, File Shredder, Parental Controls, and more
- ECO-FRIENDLY PACKAGING: Your product-specific code is printed on a card and shipped inside a protective cardboard sleeve. Simply open packaging and scratch off security ink on the card to reveal your activation code. No more bulky box or hard-to-recycle discs. PLEASE NOTE: Product packaging may vary from the images shown, however the product is the same.
Avast and AVG document coverage across Windows, Mac, Android, and iOS for the multi-device examples above. That establishes platform availability for those plans, but not that every bundled feature works on every platform. Consult the plan’s compatibility details and the app listing for each device before paying. Avast’s plan details; AVG’s plan details
What does each platform actually get?
Compare the included apps and protections by operating system, rather than judging a bundle by its name or total number of features. A VPN, cleanup utility, or other extra may add convenience, but it does not by itself establish stronger antivirus protection.
Rank #2
![Norton 360 Deluxe 2027 Antivirus, 5 Devices, Auto-Renews [Download]](https://m.media-amazon.com/images/I/41IYV5zGyCL._SL160_.jpg)
- ONGOING PROTECTION Download instantly & install protection for 5 PCs, Macs, iOS or Android devices in minutes!
- TOP-PERFORMING VPN Faster speeds, more server locations, and greater connection control to protect your privacy across all your devices, including Smart TVs.
- ADVANCED SCAM PROTECTION Help spot hidden scams online. With the built-in Genie AI assistant, you’ll never wonder if a message or email is suspicious again.
- REAL-TIME PROTECTION Advanced security protects against existing and emerging malware threats, including ransomware and viruses, and it won’t slow down your device performance.
- DARK WEB MONITORING Identity thieves can buy or sell your information on websites and forums. We search the dark web and notify you should your information be found.
Avast says customers can activate selected apps on each device, while the plan’s device ceiling still applies regardless of how many included apps they activate. Use the vendor’s platform-by-platform list to see what is included on the Windows PC, Mac, Android phone, or iPhone you intend to protect. Avast Ultimate Multi-Device FAQ
Do these 3 things before closing this tab:
1Clear out junk files and repair common Windows errors2Scan for outdated or missing drivers - takes under a minute3Repair Windows errors before they cause bigger problemsCan you move a license to another device?
Check whether the subscription can be transferred when you replace a computer or phone, and whether transfers are allowed across operating systems. AVG says its multi-device subscription can transfer between devices and platforms; its single-device product is limited to one active device at a time. Do not assume another provider uses the same rules. AVG Internet Security Multi-Device FAQ
Rank #3
![Norton 360 Premium 2027 Antivirus, 10 Devices, Auto-Renews [Download]](https://m.media-amazon.com/images/I/41JNWru8mYL._SL160_.jpg)
- ONGOING PROTECTION Download instantly & install protection for 10 PCs, Macs, iOS or Android devices in minutes!
- TOP-PERFORMING VPN Faster speeds, more server locations, and greater connection control to protect your privacy across all your devices, including Smart TVs.
- ADVANCED SCAM PROTECTION Help spot hidden scams online. With the built-in Genie AI assistant, you’ll never wonder if a message or email is suspicious again.
- REAL-TIME PROTECTION Advanced security protects against existing and emerging malware threats, including ransomware and viruses, and it won’t slow down your device performance.
- DARK WEB MONITORING Identity thieves can buy or sell your information on websites and forums. We search the dark web and notify you should your information be found.
Is there independent test evidence for your platform?
Look for recent results for the operating system you actually use. A result for a Windows product does not establish how its Android or macOS counterpart performed. AV-TEST says it regularly tests consumer security software for Windows, macOS, Android, and iOS, and publishes results by platform. Its scores can change, so consult the current test data rather than relying on an old ranking or a score from another operating system. AV-TEST consumer security software results; About AV-TEST
What will it cost after the introductory term, and how do you cancel?
Compare the full subscription terms, not only the price shown most prominently at checkout. Record the term length, introductory price, renewal price, whether automatic renewal is enabled, and the steps and deadline for cancelling. Confirm that the offer shown by the seller matches the vendor’s plan and device allowance.
Rank #4
- THREAT DETECTION – Stay one step ahead. Suspicious links, risky sites, viruses, and scams, caught automatically before they reach you.
- PERSONAL INFO PROTECTION – Keep your personal info safer. Identity monitoring watches for your exposed info and tells you what to do about it.
- SECURE CONNECTIONS – Just a few easy clicks, and we'll automatically protect your info on public Wi‑Fi, every time you connect.
- GUIDED ACTION – Know what matters and what to do next. Clear alerts and simple guidance make it easy to take action.
- MORE THAN ANTIVIRUS – Scam protection, identity monitoring, VPN, web protection, and antivirus work together to protect you, all in one place.
For UK customers, the Competition and Markets Authority’s antivirus auto-renewal compliance principles, published on 19 October 2021, address transparency at signup, during a contract, and after automatic renewal. The CMA page also describes subscription protections in the 2024 Digital Markets, Competition and Consumers Act and, as stated on that page, expected those provisions to come into force no earlier than autumn 2026. This is UK-specific guidance; check current local rules and the seller’s terms for your purchase. CMA antivirus auto-renewal compliance principles
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
A practical comparison before checkout
Use this checklist to compare plans on equal terms. Fill it in from the current plan page or seller terms, not from a general product label.
Best Value
- POWERFUL, LIGHTNING-FAST ANTIVIRUS: Protects your computer from viruses and malware through the cloud; Webroot scans faster, uses fewer system resources and safeguards your devices in real-time by identifying and blocking new threats
- IDENTITY THEFT PROTECTION: Protects your usernames, account numbers and other personal information against keyloggers, spyware and other online threats targeting valuable personal data
- REAL-TIME ANTI-PHISHING: Proactively scans websites, emails and other communications and warns you of potential danger before you click to effectively stop malicious attempts to steal your personal information
- ALWAYS UP TO DATE: Webroot scours 95% of the Internet three times per day including billions of web pages, files and apps to determine what is safe online and enhances the software automatically without time-consuming updates
- Simultaneous device limit: the number of devices protected at the same time.
- Operating systems: supported platforms and minimum system requirements for each device.
- Platform-specific protection: the apps and features actually included on each operating system.
- Transfers: whether you can move a license to a replacement device or another platform.
- Independent test evidence: current results for the specific platform you need.
- Subscription terms: term length, introductory and renewal prices, auto-renewal status, and cancellation route.
A plan with more devices or extra bundled apps is not automatically better protection. Compare the protection you will receive on your own devices and the complete terms you will pay under.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
