
TOP BENEFIT
Ultra-secure data protection and password management
Stay protected even in case of data theft or laptop and USB key loss. Remember only one password while having them all safely under control.
Premium internet security

Multi-platform protection
Protect your Windows, Mac and Android devices with a single license for the ultimate in security and convenience.

Safeguard your privacy
Protect your digital identity with our powerful antivirus technology. Keep your confidential data safe from ransomware and phishing.

Enjoy premium features
Encrypt your files and removable media. Store and organize your passwords. Protect your laptop with Anti-Theft.
See all features

Legendary antivirus technology
Protect yourself from ransomware and other types of malware with ESET's time-proven multilayered protection, trusted by over 110 million users worldwide.

Privacy protection
Stop hackers from misusing your passwords. Bank and purchase online safely. Prevent your kids from being exposed to offensive online content.

Anti-theft
Stay safer by tracking and locating your missing computer in case it gets lost or stolen, and identify thieves via your laptop’s built-in camera.

Minimal power usage
Play, work and browse the internet without slowdowns. Stay unplugged and online longer with battery-saving mode, and enjoy gaming without distracting pop-ups.

Install and forget
Easy to install, renew and upgrade, our security is also designed for simple set up of all routine tasks.
Get top-of-the-line internet security today
2021 EDITION
ESET SMART SECURITY PREMIUM
Built without compromise for users who want it all, including extra theft protection and easy password management. Secures Windows, Mac, Android and Linux devices.
System requirements & documentation
System requirements
WINDOWS
Microsoft Windows® 10, 8.1, 8, 7 with SP1 and latest KB updates installed
MAC
macOS 11 (Big Sur), macOS 10.15 (Catalina), macOS 10.14 (Mojave), macOS 10.13 (High Sierra), macOS 10.12.x (Sierra)
ANDROID
Android 4.1 and higher * (*ESTV AndroidTV 7.0 and higher)
LINUX
Debian, RedHat, Ubuntu, OpenSuSe, Fedora, Mandriva and a majority of RPM and DEB distributions
Trusted by consumers and businesses alike




Existing customer?

Renew your license
We value your loyalty! Renewing ESET takes a few clicks and you are settled.

Download or reinstall
Download and use your existing license key to activate your software.

eStore My Account
Update your subscription preferences and eStore account information.

Looking for help?
Get free, U.S.-based tech support for your ESET home or business products.
Frequently asked questions
How do I renew?
Renewing your ESET Smart Security Premium license keeps your product up to date, your devices secured and gives you free access to our U.S.-based technical support.
You can renew your license here.
How do I install ESET Smart Security Premium?
To install ESET Smart Security Premium on your computer, follow these instructions:
- Uninstall any previously installed antivirus software on your system.
- Download ESET Smart Security Premium here.
- Double click on the downloaded file and perform installation.
- After installation, activate your ESET antivirus with the help of your license key. Further information about installation is available here.
Why do customers choose ESET?
"We've been very happy with ESET's performance and ability to detect malware."
– Manager, Client Services and Technical Support, Babson College
"The technology is reliable and the protection is topnotch. ESET is one of the best solutions and companies to partner with. The North America team is exceptional, and the product works well."
– Company president, PC Assistance Inc.
How do I uninstall?
Details of how to uninstall your ESET product are available here.