ESET's NOD32 Antivirus Version 4.2 Download:

ESET NOD32 Antivirus 4 VERSION:  Windows 7 / Vista / XP / 2000, Single User

PRICE:  $39.99

Note: This is an old version of NOD32.

Current ESET software:
NOD32 Antivirus 2015
ESET Smart Security 2015

NOD32 VIDEO Review

Information Below:  Review, Software Description, Screenshots, System Requirements

Review of NOD32 Anti Virus Version 4.2:


ESETNOD32 Antivirus has quietly grown into one of the best antivirus programs over the last few years. Unbloated and User-friendly are NOD32's best qualities. Let's see how this year's version Of NOD32 compares to its competition.

UPDATE: The new NOD32 Version 5 Beta has been released. Read our review to see the features of this new offering.

1) Installation:  4/5

ESET NOD32 Antivirus v4 installed in 63 seconds, and the computer was immediately ready for use - requiring no restarts after installation. It was a very quick and straight-forward installation process, but if you have another antivirus program on your computer you have to manually search & run the correct uninstaller. NOD32 Antivirus will hopefully remedy this next year. (See Installation Time Comparison Graph)

2) Features & Ease of Use:  9/10

NOD32's user-interface is very clean and simple looking, yet very effective. The program comes defaulted to Standard Mode which is fine for most users. In Standard Mode the options are limited but the antivirus program runs fine - it's probably a good idea to hide the majority of the options, since for most users the extra options can be confusing. Simple is definitely good in this case.

NOD32 v4.2 Dashboard:

View Larger NOD32 Screenshots

For advanced users NOD32 has an Advanced Mode that gives the user much more control over the software with the many more options made available (see screenshot #6 for the Advanced Mode Options). NOD32's options are well thought out and give you more control over the program than any other antivirus program we've tested this year (except maybe Kaspersky).

ESET's ThreatSense technology gives you protection against new viruses before they can be analyzed - this gives you Zero-Day protection against viruses and other malware.

Our only issue with NOD32 this year is that Version 4.2 is essentially the same as Version 4.0 from last year - almost no noticeable changes this year.

3) Virus Scanner:  3/5

ESET NOD32 AntiVirus has both a Smart Scan as well as a Custom Scan option. Our testing found ESET's virus scanner was able to scan at a pace of 63.2 MB/s - making it the fastest virus scanner we tested this year. NOD32's virus scanner also found 3 virus infections that several other antivirus programs (including Kaspersky & Norton) missed on our test computer which we thought was virus-free. So, ESET's virus database definitely impressed us. Although, one feature that NOD32 doesn't have that we wish it did is a Quick Scan feature to provide quick peace of mind. (See Scan Speed Comparison Graph)

NOD32 Virus Scanner:

View Larger NOD32 Screenshots

Version 4 of ESET NOD32 updates 2-3 times per day, which is less than many other antivirus programs. For comparison, Norton AntiVirus updates about every 6-7 minutes, while Kaspersky AntiVirus updates about every 2 hours. (See Updates Per Day Comparison Graph)

Testing by found that NOD32's response time to new threats is approximately 4-6 hours, slightly better than the industry average of 6-8 hours.

4) Performance Testing:  8.5/10

Memory Use: NOD32 Antivirus uses 57.3 MB of memory. #15 ranked program of the 15 Antivirus programs tested.

Reboot Time: NOD32 added 9.2 seconds to our test computer's reboot time. #2 ranked program.

Installation Size: NOD32 takes 287 MB hard-drive space for installation. #6 ranked program.

Initial Scan Speed: NOD32 scans files the first time at a speed of 63.2 MB/s. #1 ranked program.

Subsequent Scan Speed: NOD32 performs subsequent scans at a speed of 70.6 MB/s. #9 ranked program we tested, and barely faster than its initial scan time.

Initial Application Launch: NOD32 added 0.144s to launch a web browser for the first time after a reboot. #3 ranked program.

Subsequent Application Launch: NOD32 Antivirus ver 4.2 added 0.119s on average for subsequent web browser launches - almost no noticeable change. #3 ranked program.

File Conversion Time: NOD32 added 0.33s on average to convert a MP3 file to four other file types. #4 ranked program.

System Impact Score: The "System Impact Score" is a comparative score tallied from the above 8 Antivirus tests. NOD32 scored a total of 85 out of 120 points when compared to the other Antivirus programs we tested. This gave NOD32 a 2nd-place rating overall - just behind Norton Antivirus.

View graphs of the above Antivirus Performance Tests.

5) Effectiveness: (Virus/Malware Detection)  14/15


6) Help & Support:  3/5

ESET's Help Files within the program are very useful and well laid out, although why in Standard Mode we aren't sure why the "Help" link in the upper-right-hand corner of the program disappears. This "Help" link also links directly to the corresponding help file depending what task you're doing (ie. if you're doing a "Computer Scan" and click the "Help" link, then the help files on "Computer Scan" appear). ESET does also offer a very good Knowledgebase and user-forums. Their phone support is not all that impressive, since it has limited hours, deals with only a few topics (installing, downloading, purchasing, etc), and doesn't offer a toll-free phone number.


NOD32 Version 4.2 is an extremely simple to use program. Its user-interface is the easiest to use that we've seen this year - with everything clearly laid out. NOD32's Performance and Effectiveness are both also top-notch. There are no draw-backs with NOD32 Antivirus - it's got everything a user of any level could possibly ask for. For computer novices, NOD32 is definitely the easiest antivirus program to use we've reviewed this year, and accordingly receives our Most User-Friendly award!

Overall Rating: Very Good!    (Total Score: 41.5 / 50 = 4 Stars)

Misc Info:

    • Version Tested:
    • Release Date:
    • Review Date:
    • Last Updated:
April 13, 2011
    • Previous Version:
Version 4.0
    • Other ESET Software:
ESET Smart Security

Useful Articles:

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    • Differences between Viruses, Trojans, Worms & Spyware

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NOD32 Antivirus 4 Screenshots

View Screenshots

NOD32 AntiVirus 2015 Screenshots

NOD32 Software Description:

ESET NOD32 provides:

Protection from the Unknown - Award-winning ThreatSense technology uses multiple layers of threat detection to deliver the most effective protection possible against new attacks. And ThreatSense is smart; it raises far fewer annoying "false alarms" than any other products that use heuristics.

Finds Malware Other AV Companies Missed - Typically when a new copy of ESET NOD32 replaces another antivirus product on a home computer the average user finds viruses or malware resident on the machine that were undetected by their previous antivirus product.

Built for Speed - ESET NOD32 Antivirus is lightning fast, so fast you won't even notice it's there. Even disk-intensive operations like performing a "full disk scan" to run smoothly in the background while you work or play.

Easy on Your System - ESET NOD32 Antivirus is "lean and mean," typically using just 45 MB of memory, a fraction of what other products consume. Because it's fast and "light," upgrading your existing antivirus protection to ESET NOD32 Antivirus can literally be like buying a new computer. And the new automatic energy-sipping battery mode lets you work or play longer.

Easy on You - ESET NOD32 Antivirus is easier to use than ever before. From its compact and intuitive user interface to its minimal use of alerts, you'll be up and running in a snap.You will receive the best possible proactive detection against malware, without enduring excessive system slowdowns and alerts, reboots or annoying false alarms.

What's New in Version 4?

Smarter Scanner - Threats don't always enter your network in ways you expect. ESET NOD32 Antivirus inspects SSL-encrypted communication channels like HTTPS and POP3S and intelligently scans compressed files to find hidden threats other products miss. Proactive protection begins at the earliest point in system startup to ensure your computer is always secure.

Clean and Safe Email - Email scanning for Microsoft Outlook, Outlook Express, Mozilla Thunderbird, Windows Live Mail, Windows Mail, and other POP3/IMAP mail clients, ensuring your email is free of viruses and other threats.

Removable Media Security - Threats can enter your PC from removable media such as USB thumb drives. For self-running media, ESET NOD32 Antivirus scans autorun.inf and associated files when the medium is inserted, in addition to scanning any file on any removable device when it is accessed, or during a full-scan of the media. Power users can adjust ESET NOD32 Antivirus to perform additional levels of scanning on removable media.

System Tools - ESET SysInspector and ESET SysRescue simplify diagnosing and cleaning of infected systems by allowing deep scans of system processes to find hidden threats, and creating bootable rescue CD/DVD or USB drives to help you repair an infected computer.

Self Defense - ESET NOD32 Antivirus has built-in technology to prevent malicious software from corrupting or disabling it, so you can rest assured your system is always protected.

Many Usability Improvements - ESET NOD32 Antivirus has numerous speed, security and usability upgrades, including: << Top of Page

NOD32 System Requirements:

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