From this page, licensed users may download their software.
If you have not purchased ESET software you may
purchase it, download a
free 30-day trial, or
contact an ESET representative for assistance. A valid username and password is required in order to download the software.
For all versions, the latest version of the virus signature database
will be downloaded immediately after the installation has been completed
to ensure the highest detection capabilities of the system.
Please click on the following links to download
files for32-bit Windows Vista/XP/2000
Business Users - 32-bit
File size
ESET Smart Security
4.2 Microsoft Windows XP/2000/Vista/7 (32-bit)
Please click on the following links to download
files for 64-bit
Windows Vista/XP only
*64-bit Windows Operating System is required for these
installations. Typically these are found on high-end graphics or gaming
machines. Be sure to check your operating system carefully before
downloading the 64-bit installers.
Business Users - 64-bit
File size
ESET Smart Security 4.2
Windows XP/2003/Vista/7 (64-bit)
ESET NOD32 Antivirus
for Microsoft Exchange Server
Microsoft® Windows® NT/2000/2003/2008 Server
Microsoft® Exchange Server 5.5 SP3+/2000 SP1+/2003/2007