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 (32-bit)
ESET Smart Security 4
Microsoft® Windows® 7/Vista/Home Server/XP/2000
Version: 4.2.64.12, File size: 44.02 MB, Manual, Quick Start Guide, Changelog
ESET NOD32 Antivirus 4
Microsoft® Windows® 7/Vista/Home Server/XP/2000
Version: 4.2.64.12, File size: 40.00 MB, Manual, Quick Start Guide, Changelog
Home PC Users (64-bit)
ESET Smart Security 4
Microsoft® Windows® 7/Vista/Home Server/XP (64-bit)
Version: 4.2.64.12, File size: 48.17 MB, Manual, Quick Start Guide, Changelog
ESET NOD32 Antivirus 4
Microsoft® Windows® 7/Vista/Home Server/XP (64-bit)
Version: 4.2.64.12, File size: 43.96 MB, Manual, Quick Start Guide, Changelog
Note for 64-bit users:
64-bit Windows Operating System is required for these installations. Typically these are found in servers and high-end workstations with high processing power. Be sure to check your operating system carefully before downloading the 64-bit version.
Home PC Users (Previous releases)
ESET Smart Security 4
Microsoft® Windows® 7/Vista/Home Server/XP/2000 (32-bit)
Version: 4.0.474, File size: 35.42 MB, Manual, Quick Start Guide, Changelog
ESET Smart Security 4
Microsoft® Windows® 7/Vista/Home Server/XP (64-bit)*
Version: 4.0.474, File size: 38.78 MB, Manual, Quick Start Guide, Changelog
ESET NOD32 Antivirus 4
Microsoft® Windows® 7/Vista/Home Server/XP/2000 (32-bit)
Version: 4.0.474, File size: 31.67 MB, Manual, Quick Start Guide, Changelog
ESET NOD32 Antivirus 4
Microsoft® Windows® 7/Vista/Home Server/XP (64-bit)*
Version: 4.0.474, File size: 34.55 MB, Manual, Quick Start Guide, Changelog
ESET Smart Security
Microsoft® Windows® Vista/XP/2000 (32-bit)
Version: 3.0.695, File size: 29.06 MB, Manual, Quick Start Guide, Changelog
ESET Smart Security
Microsoft® Windows® Vista/XP (64-bit)*
Version: 3.0.695, File size: 30.55 MB, Manual, Quick Start Guide, Changelog
ESET NOD32 Antivirus 3.0
Microsoft® Windows® Vista/XP/2000 (32-bit)
Version: 3.0.695, File size: 25.91 MB, Manual, Quick Start Guide, Changelog
ESET NOD32 Antivirus 3.0
Microsoft® Windows® Vista/XP (64-bit)*
Version: 3.0.695, File size: 27.20 MB, Manual, Quick Start Guide, Changelog
ESET NOD32 Antivirus
Microsoft® DOS
Version: 03/14/04, File size: 2.23 MB
* Note for 64-bit users:
64-bit Windows Operating System is required for these installations. Typically these are found in servers and high-end workstations with high processing power. Be sure to check your operating system carefully before downloading the 64-bit version.
Mobile Users
ESET Mobile Security for Windows Mobile (Smartphone)
Microsoft® Windows® Mobile 5.0, 6.0, 6.1 and 6.5
Version: 1.3.1249, File type: .exe, File size: 0.52 MB, Manual
ESET Mobile Security for Windows Mobile (Smartphone)
Microsoft® Windows® Mobile 5.0, 6.0, 6.1 and 6.5
Version: 1.3.1249, File type: .cab, File size: 0.44 MB, Manual
ESET Mobile Security for Windows Mobile (PocketPC)
Microsoft® Windows® Mobile 5.0, 6.0, 6.1 and 6.5
Version: 1.3.1249, File type: .exe, File size: 0.52 MB, Manual
ESET Mobile Security for Windows Mobile (PocketPC)
Microsoft® Windows® Mobile 5.0, 6.0, 6.1 and 6.5
Version: 1.3.1249, File type: .cab, File size: 0.43 MB, Manual
Free Utilities
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: 1.0.23.0, File size: 1.65 MB, Manual
ESET SysInspector (32-bit)
Microsoft® Windows® 7/Vista/XP/2008 R2/2008/2003 R2/2003/2000
Version: 1.2.021, File size: 2.43 MB, Changelog
ESET SysInspector (64-bit)**
Microsoft® Windows® 7/Vista/XP/2008 R2/2008/2003 R2/2003
Version: 1.2.021, File size: 2.97 MB, Changelog
* This is an optional module for advanced ESET Smart Security 4.2 users only. Please refer to ESET Smart Security 4.2 User Guide for more information.
** Note for 64-bit users:
64-bit Windows Operating System is required for these installations. Typically these are found in servers and high-end workstations with high processing power. Be sure to check your operating system carefully before downloading the 64-bit version.
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.
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: 1.0.23.0, File size: 1.65 MB
Remote Administrator
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: 1.0.23.0, File size: 1.65 MB
Note for 64-bit users:
64-bit Windows Operating System is required for these installations. Typically these are found in servers and high-end workstations with high processing power. Be sure to check your operating system carefully before downloading the 64-bit version.
Business Users (Previous releases)
* Note for 64-bit users:
64-bit Windows Operating System is required for these installations. Typically these are found in servers and high-end workstations with high processing power. Be sure to check your operating system carefully before downloading the 64-bit version.
Mail Servers
ESET Mail Security for Microsoft Exchange Server
Microsoft® Windows® Server 2008/2003/2000 (32-bit)
Microsoft® Exchange Server 2003 SP1, SP2/2000 SP1, SP2, SP3/5.5 SP3, SP4
Microsoft® Windows® Small Business Server 2003 R2
Version: 4.2.10019.0, File size: 53.0 MB, Manual, Changelog, Known Issues
ESET Mail Security for Microsoft Exchange Server
Microsoft® Windows® Server 2008/2003 (64-bit)
Microsoft® Exchange Server 2010 SP1 Beta/2007 SP1, SP2, SP3
Microsoft® Windows® Small Business Server 2008
Version: 4.2.10019.0, File size: 57.0 MB, Manual, Changelog, Known Issues
* Note for 64-bit users:
64-bit Windows Operating System is required for these installations. Typically these are found in servers and high-end workstations with high processing power. Be sure to check your operating system carefully before downloading the 64-bit version.
File Servers
* Note for 64-bit users:
64-bit Windows Operating System is required for these installations. Typically these are found in servers and high-end workstations with high processing power. Be sure to check your operating system carefully before downloading the 64-bit version.
Gateway Servers
* Note for 64-bit users:
64-bit Windows Operating System is required for these installations. Typically these are found in servers and high-end workstations with high processing power. Be sure to check your operating system carefully before downloading the 64-bit version.
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.
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