Each time you use your computer to enter the Internet, you are exposed to malicious software and viruses such as Trojan horse virus and so on. To protect your computer against viruses is to install anti-virus software. There are many different programs you can buy, but there are some free anti-virus programs. You can download a free antivirus program for your computer that has everything you basically need to protect your computer from viruses online.
Here are instructions on how to do it for free:
instructions:
1. For free anti-virus I definitely recommend getting AVG. I used it on my computer and has been used by more than 80 million people worldwide. The basic version of Internet virus protection is free. You can download the AVG Anti-Virus program from his website. Here is the link to it:
http://www.freeavg.com/
2. Click on the AVG Anti-Virus Free Edition 9.0, and then click the Get It Now. The free version to protect your computer from viruses and spyware and includes a free Lnkscanner.
3. For more protection, you can purchase the full version has more features enhanced firewall, identity protection and phishing, anti-spam and technical support. You can also try the free 30 day trial of the program and then decide whether to buy or not.
4. Click Save as .. then select a folder to save it on your computer and then go through the installation instructions. Then you may want to do a complete scan of your computer to ckeck from viruses and malicious.