Symantec's Norton Internet Security 2012

Bottom line: The best at protecting you and your computer. Updates include a vastly improved performance and several features to make things easier on the user.
Kaspersky Internet Security 2012

Bottom line: A vast improvement in its interface, installation and performance make Kaspersky a best bet for those who are looking for easy, fast, top-notch security.
Avast! Internet Security

Bottom line: Fast, affordable and easy to use. Best for users who want a simple, user-friendly interface. Discount for NextAdvisor users.
BitDefender

Bottom line: For those who want top-rated protection without the interruptions. New features help improve performance and give users a few more options for security.
Eset Smart Security 5

Bottom line: If you aren't in to all the bells and whistles and just want the simplest security software that will protect your computer, ESET is your best bet.
McAfee Total Protection 2012

Bottom line: Standard PC security with a few new features that could turn heads; exclusive $20 discount
Webroot SecureAnywhere Complete 2012

Bottom line: Good product for those just looking for the basic protection. Easy install, simple interface and quick performance.
ZoneAlarm Internet Security Suite 2012

Bottom line: Full-featured, low-fuss improvement to previous ZoneAlarm software; good value, but hard to measure effectiveness
Trend Micro Internet Security 2012

Bottom line: Best bet for users looking for quality, inexpensive software. New features up the software's game.
Iolo's System Shield 4

Bottom line: Inexpensive, reliable software with a cool detection feature. Confusing interface and difficult installation downgrades its score. Discount for NextAdvisor readers.
AVG Internet Security

Bottom line: Good security software if you are looking for all the bells and whistles at half the price.
PC Tools

Bottom line: PC Tools Internet Security has a nice user interface and is easy to use, but it under-delivers on consistency and performance
CA Internet Security Suite Plus 2010

Bottom line: Simple interface but poorly implemented; frequent crashes, indiscriminate program blocking

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If windows is 64 bit, does antivirus software have to be 64 bit also?

December 30th, 2009 - Posted by Kent

The following post in our Reader Question series is an actual user submitted question.

Q: If windows is 64 bit, does antivirus software have to be 64 bit also?

A: That is a very good question. According to Microsoft, the answer is: yes. Anti-virus software in particular requires specific compatibility. The good news is that most Internet security software we've reviewed are compatible with 32- and 64-bit versions of Windows Vista and Windows 7 (Webroot has yet to make its software Windows 7 compatible). Things get more complicated if you have an older system like XP. Many products are not compatible with the 64-bit versions.

Windows has so many variations in versions and service packs that we recommend that you check the vendor's website to make sure that your system is compatible with the Internet security service you plan on purchasing.

2 Responses to “If windows is 64 bit, does antivirus software have to be 64 bit also?”

  1. Proworkflow Says:

    Yes it's really an interesting question as even I had the same question to ask well. As if we look from the point of view of Microsoft the answer is yes. As generally all of the internet softwares support 64 as well as 32 bits too.

  2. Adam Says:

    What a intresting story
    after readin gI find it similar to about related topics in in
    avg free download

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