Anti-virus software is a program or set of programs that are designed to protect a computer against viruses. There are many different anti-virus programs available, and most of them are available for free.

One of the most popular anti-virus programs is Avast. Avast is available for free for personal use, and it is very effective at protecting computers from viruses. Avast is also very easy to use, and it has a very user-friendly interface.

Another popular anti-virus program is AVG. AVG is also available for free, and it is very effective at protecting computers from viruses. AVG is also very …