Security which always had been the main properties in client concerned. Each and every server equips with required features that is necessary for the first wall of defends on client hosting security which involve its web files, plugin, software and even emails. Not to forget that your local host or machine(which is referring to your PC/Notebook/Laptops) plays one of the big roles in this security presence as well.
There are a few Anti Virus which we are able to recommend such as the Avast, Karpersky, and AVG among the popular free provider which you may proceed to use.There are also paid Anti virus which is like Symantec and McAffee which provides you with secure and presence live paid security enhancements.
Below is one of the link that can lead you to download some of the free Anti Virus for your side to us as a backbone of your local machine security purposed.
For further information you may directly visit the Anti Virus provider for further details and pricing.