New users: Please make sure that you have the username and password that came with your order.
Existing user upgrades: If you already have a valid license for an earlier version of ESET Smart Security or ESET NOD32 Antivirus, you can upgrade to the latest version for free. Simply download the latest software and install it on your computer. It offers improved performance and it ensures you're protected against the latest threats. Please make sure that you have your existing username and password available.
Important:
Before installing, we recommend uninstalling your current protection (including older versions of ESET software), to ensure a smooth transition. Click here to access the list of uninstallers for common antivirus programs.
Home PC Users (64-bit)*
* Note for 64-bit users:
64-bit Windows Operating System is required for these installations. To find out whether you should download the 32 or 64-bit version, please click here to see our Knowledgebase article.
Home PC Users (Previous releases)
* Note for 64-bit users:
64-bit Windows Operating System is required for these installations. To find out whether you should download the 32 or 64-bit version, please click here to see our Knowledgebase article.
Important:
Before installing, we recommend uninstalling your current protection (including older versions of ESET software), to ensure a smooth transition. Click here for important information on the most efficient way to uninstall your current protection.
Business Users (32-bit)
ESET Authentication Server
Optional: for use with ESET Smart Security 4.2 only*
Microsoft® Windows® 7/Vista/XP/2000/Home Server/Server 2000/2003/2008
Version: 1.0.26.0, File size: 1.65 MB
Business Users (64-bit)*
ESET Authentication Server
Optional: for use with ESET Smart Security 4.2 only*
Microsoft® Windows® 7/Vista/XP/2000/Home Server/Server 2000/2003/2008
Version: 1.0.26.0, File size: 1.65 MB
* Note for 64-bit users:
64-bit Windows Operating System is required for these installations. To find out whether you should download the 32 or 64-bit version, please click here to see our Knowledgebase article.
Business Users (Previous releases)
* Note for 64-bit users:
64-bit Windows Operating System is required for these installations. To find out whether you should download the 32 or 64-bit version, please click here to see our Knowledgebase article.
Note About Using ESET Smart Security on Servers:
ESET Smart Security contains a firewall which inspects all network traffic on a computer. If installed on a computer which performs many network transactions such as database or file activities, these applications may slow down until excluded in the firewall.
- ESET Smart Security 5
- ESET NOD32 Antivirus 5
- ESET Cybersecurity for Mac
- ESET NOD32 Antivirus 4
for Linux
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