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How It Works
System Requirements
FAQ

Free computer security

Stay secure by updating insecure programs
on your computer with the Secunia PSI

Free instant download
of the Secunia PSI

Yes, I would like to receive latest news on product updates and announcements.

PSI runs on Microsoft Windows 8, 7 and Vista

The Secunia PSI is a free computer security solution
that identifies vulnerabilities in non-Microsoft programs

Available in 8 languages

English, French, German, Spanish, Arabic,
Danish, Norwegian and Dutch.

Automatic Updates

Automates the updates for your insecure programs, making it a lot easier for you to maintain a secure PC.

Regular Scanning

The Secunia PSI automatically and regularly scans your PC for insecure programs

The Secunia PSI explained

The Secunia Personal Software Inspector (PSI) is a free computer security solution that identifies vulnerabilities in non-Microsoft (third-party) programs on your PC. Vulnerable programs can leave your PC open to attacks.

Simply put, it scans software on your system and identifies programs in need of security updates to safeguard your PC against cybercriminals. It then supplies your computer with the necessary software security updates to keep it safe.
Using a scanner like Secunia PSI 3.0 is complementary to antivirus software, and as a free computer security program, is essential for every home computer.

Watch our 2-minute introduction to Secunia PSI

"Secunia PSI won't do away with the need to run a good antivirus program and firewall on your PC. But it provides a solid layer of free protection that no PC should do without"

Click here to read more

"Number one is the Secunia Personal Software Inspector, quite possibly the most useful and important free application you can have running on your Windows machine."

"At the moment, Secunia PSI can deliver security updates for more than 3,000 software pieces, which places it at the top of the list of security scanners."

Read the five star review here



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