Kaspersky Anti-Virus 2021 - 4 Users

Automatically scans your PC to find threats — including new drive-by cryptomining infections that could seriously damage your PC's performance. And, if your PC is infected, our technologies help you to rescue & reset it.

• Blocks viruses, ransomware & more
• Lets PCs perform as they're meant to
• Simplifies security management

Award-winning

Our innovative security helps protect your PC from viruses, ransomware, spyware, phishing, dangerous websites and more.

Secure- not slow

You want your PC to perform as it's designed to — and so do we. That's why our security works 'behind the scenes', without any fuss.

Easy to Use

PC security shouldn't get in your way — so we've developed essential protection that's simple to set up and easy to run.

Requirements

For all devices

• Internet connection required — for product activation & updates and for access to some features

Windows®-based desktops and laptops

• 1,500 MB free space on the hard drive
• Microsoft® Internet Explorer® 10 or higher
• Microsoft .NET Framework 4 or higher
• Microsoft Windows 101 Home / Pro / Enterprise
• Microsoft Windows 8 & 8.1 / Pro / Enterprise / 8.1 update
• Microsoft Windows 7 Starter / Home Basic & Premium / Professional / Ultimate — SP0 or higher
• Processor: 1 GHz or higher
• Memory (RAM): 1 GB (32-bit) or 2 GB (64-bit)

Windows-based tablets (system with an Intel® processor)

• Microsoft Windows 101 Home / Pro / Enterprise
• Microsoft Windows 8 & 8.1 / Pro (64-bit)
• Minimum screen resolution: 1024×600

Please note we do not support the beta versions/previews of new operating systems. Only final, officially released operating systems are supported by the product.