What is a computer virus?
It is a software or code that can get into a computer’s system through various means, replicate itself and corrupt files and other programs on the computer.
There are many ways through which virus can get into your computer’s system like infected flash drives, external hard drive, email, websites and downloads etc.
Ways of protecting your computer against viruses
Activate windows firewall;
One of the most important things to do is to activate your windows firewall. Almost all the Windows come with firewall which is very essential in protecting your computer to a certain level. Firewall does not protect the computer completely but it really helps in blocking certain viruses and hackers especially if there is no antivirus software installed on the computer. The strength of the firewall mostly depends on how frequent you update the Windows because the developers usually patches them up during updates.
Install antivirus software;
An antivirus software is any software developed to prevent computer viruses from getting into the computer’s system. There are so many powerful antivirus software that can protect your computer against viruses which normally come with free versions and payed or premium versions. Examples of common antivirus software are; Avast, ESET NOD32, Norton Antivirus plus, Bitdefender Antivirus plus, Avira etc. If an antivirus software is installed, make sure to update it regularly to keep it effective. When you put a flash drive or USB cord of an external hard drive into the USB port of the computer, use the antivirus software to scan it before opening it.
Do not download from suspicious websites ;
When you want to download from a particular website sometimes it redirects you to another website and to another. Be careful when downloading from such websites because you might be downloading a virus. Make sure you download from well known and popular websites.
Avoid clicking on links within emails ;
Mostly when you receive emails, there are links attached to them. Please, never click on any of those links if you don’t know where the email is coming from. Some of those links are viruses sent directly to you through your email address by hacker(s). It could be malware to enable the hacker have direct access to your computer.
Do routine scanning;
Scan your computer with antivirus software on a schedule, say weekly for any hidden or suspicious software. Like mentioned earlier, make sure your antivirus software is updated regularly to keep it highly effective for it to be able to detect newly created viruses and malware.
Tip; If you have an external hard drive, keep a copy of your important documents on it so that when a virus finds it’s way into your computer’s system and destroys your documents, you will have no problem retrieving them. You can also back them up on Google Drive.