jna Asked: What is the best FREE anti-virus for Windows 7 Home premium 64-bit?

When I bought my dell lappy last November, pre-installed with it is McAffee but I had to uninstall it because I was not satisfied with its performance. So I installed Avast! Pro Anti-Virus (the free version) and so far I was happy with it, not until I found out that it kind of slows down my pc and the scan time takes like 10mins or so. And the memory usage takes a lot on my machine. I was also told by my bf that Avast! doesn't detect all malwares. I've researched on the internet and found these results:
1. BitDefender Pro 2011
2. Kaspersky 2011
3. ESET NOD32 Antivirus 4
4. Norton 2011
5. Avast! Pro
6. Microsoft Security Essentials
as well as Avira, AVG and Zone Alarm. I read relly good comments about BitDefender and Kaspersky, but the thing is they're not free :-(
So I need a really honest, tried and tested opinion on this one.
P.S. Do I have to install a separate malware software? I'm not a techie, so I don't really know the essentials of protecting my computer. All I know is that I need a good anti-virus, but I guess that's just not it. Please help me!

Answers:

Answered:
I have Windows 7 HomePremium 64bit and I had avg free, but changed to microsoft security essientials as it isnt as jerky. for detecting malware I use malwarebytes



Chelsey Ceance Answered:
some WindowsLaptops / computers Have free Anti virus programs . like Mines i have a 5030 micosoft window 7 dell laptop it cam with Norton anti virus and Scan pc thing



Trueman The One Answered:
Eset is surely above all the rest, 10/10



Bharat Answered:
BitDefender, Kaspersky, NOD32 and Avast Pro are paid softwares.

Avira, Avast and Microsoft Security Essentials are free.

I have used Avira and Avast, and I was happy with both. You can use one of these and in addition, use Malwarebytes or Spybot Search and Destroy.

Having said that, the best defence against viruses and malware comes from good browsing habits.



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