What is the fastest and the lightest free antivirus program???

A lot of people ask, what is the fastest and the lightest free antivirus program. Honestly, I am not sure about which antivirus is the fastest and the lightest. It is according to us that use it. I will just give you some antivirus programs that for me are light. Here they are:
- Avira free antivirus. This antivirus is 100% light on system resource. I've tried it and I satisified with this program.
- Avast free antivirus. This is also a light and fast antivirus. Now, I am using it, it takes only about 4 MB of system resource. IT IS REALLY LIGHT!!!
- Threatfire. This is an extremely small program that includes zero-day protection.
- Immunet free antivirus. This is a secondary layer antivirus program that is really good for your computers.
- SMADAV Local free antivirus. This is an extremely light antivirus for protection of local viruses.
-PCMAV Local free antivirus. This antivirus is realy really light antivirus program.


You can download those antivirus programs here:
- avira free antivirus: press here
- Avast free antivirus: press here
- Threatfire free antivirus: press here
- SMADAV local free antivirus: here
- PCMAV local free antivirus: here



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