Download Details

File size: 0.8 MB
License: Free Trial
Developer: Avira
Supported OS: Windows 11, Windows 10
Installers: 64-bit (x64), 32-bit (x86)
Downloads: 4904
Rating: 4.1 out of 5 · 46 reviews

Reviewed by Eman Sakr
Tested on Windows 11 and 10 · November 4, 2026 · How we review

Screenshots

Avira Internet Security is a paid suite for Windows that builds on Avira’s antivirus with web protection, a password manager and a software updater.

It covers a single PC, so it suits someone who wants one simple, all-in-one setup instead of several separate tools.

Independent lab results for protection have been strong, and a cloud database keeps the detection data current.

Start with the free trial to see how it behaves on your machine. If you only need basic scanning, Avira Free Security or Microsoft Defender may be enough.

What is Avira Internet Security?

Avira Internet Security is a paid security suite for Windows PCs, made by Avira.

It takes the Avira Antivirus Pro engine and adds Password Manager Pro and Software Updater Pro. The license covers one device.

Real-time protection watches files and processes for malware, ransomware and other threats.

Web protection warns you about phishing pages and unsafe sites, and email protection checks messages for harmful attachments and links.

Detection data comes from the Avira Protection Cloud, so the app can stay current without heavy downloads.

Tip: if you want the suite to run quietly, leave the default settings alone and let the scheduled scans do the work.

Password Manager Pro and Software Updater Pro

The password manager stores your logins in an encrypted vault and can flag weak or reused passwords.

The software updater finds outdated programs, which matters because old apps are a common way in for malware.

Tip: run the updater right after install and patch the browser and PDF reader first.

Pros & Cons

What we liked

Antivirus, password manager and updater in one
Strong protection scores in independent lab tests
Web and email protection included
Cloud-based detection data stays current
Free trial before you pay

What we didn't like

License covers only one device
Renewal costs more than first year
No unlimited VPN included

Best Avira Internet Security Alternatives

Bitdefender Total Security
Security suite with ransomware protection, VPN and parental controls for home PCs.
Norton 360
Antivirus suite with firewall, VPN and password manager in one subscription.
McAfee Total Protection
Antivirus, firewall, VPN and identity monitoring bundled into one paid security suite.
ESET Smart Security
Antivirus and firewall suite with gamer mode, anti-phishing and banking protection.

Conclusion

4.1out of 5 · 46 user ratings

Before you pay, it helps to see how Avira’s paid suite compares with free options and other big names.

Check device coverage and what each plan actually includes.

App	Best For	Price	Platform	Standout Feature
Avira Internet Security	One PC that needs an all-in-one suite	Free trial, then paid	Windows	Password Manager Pro and Software Updater Pro bundled
Avira Free Security	Basic protection at no cost	Free	Windows, macOS	Real-time protection with a limited free VPN
Norton 360 Deluxe	Households with several devices	Paid subscription	Windows, macOS, Android, iOS	Multi-device coverage with a bundled VPN
Microsoft Defender	A built-in free baseline	Free	Windows	Already included in Windows 10 and 11

Final verdict

Avira Internet Security is a good fit if you have one Windows PC and want antivirus, a password manager and an app updater from one vendor.

If you have several devices, or only need basic scanning, a free tool or a multi-device plan gives you better value.

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Avira Internet Security