Free Antivirus Software

Windows users need a powerful antivirus program to protect themselves from malware attacks, keep their computers running, and protect their online identities and personal information. The Best-paid antivirus suites offer many features to protect children, manage mobile devices, and monitor a computer’s firewall, software updates, and other features. But some users do not want, or can not afford, to pay for these additional features and may need a free antivirus program.

If that describes you, you are in the right place. We evaluated the best free antivirus programs for malware protection, system impact, ease of use, and additional useful features.

Click here to download Free Antivirus

What happens if a virus infects a computer without an antivirus?

If a virus infects a computer without an antivirus program, it can delete files, prevent access to files, send spam, spy on you, or perform other malicious actions. In some situations, a computer may not meet the requirements of a virus, and the computer is only used to help spread the virus to other computers that can meet the requirements.

If your computer is infected with a virus without an antivirus program installed, you can commit a number of malicious actions.

What is Antivirus Software?

Antivirus programs are designed to protect your computer against malicious software, a term used to describe malware. Malware, including viruses, Trojans and keyloggers, can delete your files, slow down your computer and steal your personal data. Therefore, it is imperative to choose a good antivirus program. With so many antivirus programs available on the market, it may be useful to understand some of the functions performed by an antivirus in order to be able to compare them.

Most antivirus programs include automatic and manual scanning capabilities. Automatic scanning can check files downloaded from the Internet, disks inserted into the computer and files created by software installers. Auto scan can also scan the entire hard disk regularly. The manual scan option allows you to scan individual files or your entire system whenever you deem necessary.

Types of Antivirus software

  1. Malware antivirus signature

Malware, installs viruses and spyware on your computer or device without your knowledge. Malware can steal your login information, use your computer to send spam, crash your system, and give cyber criminals access to your devices and the information stored in them, and even the ability to monitor and control your online activity.

  1. Antivirus for system monitoring

This is where the antivirus software for system monitoring comes into play. This antivirus protection can monitor software and computer systems looking for suspicious or a typical behavior of the user.

For example, alerts are created when a user connects to unknown sites or tries to access a large number of files, or when there is a significant increase in data usage.

  1. Antivirus machine learning

Another form of protection is machine learning techniques, which monitor the “normal” behaviors of a computer or network. The automatic learning antivirus software is able to limit the activities of programs or computers if they seem suspicious.

More specifically, machine learning detection implements algorithms that make it easier to detect malware that is broader in scope. This type of antivirus protection is advantageous because it works in conjunction with other antivirus applications to provide multiple layers of protection.

How to Install Antivirus Software

Step 1 – Purchase Antivirus Software

Before attempting to install antivirus software on a computer, you must purchase the software. Antivirus software can be purchased from an IT retailer or any online point of sale selling antivirus software, including free software. RAM Antivirus will give you the greatest flexibility in terms of installation options. Moreover, it contain all the features you need to rid your computer of harmful viruses.

Step 2 – Read the installation instructions

After purchasing the antivirus software, follow the installation instructions and take the time to review them to make sure you understand the system requirements for installing the antivirus software. When purchasing, you should have verified that the purchased software meets the requirements of the operating system, microprocessor and other compatible with the computer you own. Otherwise, replace the software with software compatible with your computer.

Step 3 – Install the software

If the software was purchased in a package, remove the installation disc (s) from their package and place it in the CD or DVD drive. Follow the installation instructions that appear on the screen.

If the software has been downloaded from a website, follow the instructions provided for installing the antivirus software. Note the destination folder indicated during the initial phase of installation and note it in case you need to refer to it later.

Step 4 – Repeat the installation

Repeat the software installation on another computer after the installation is complete on the first computer. Follow the same instructions to install the antivirus software on the second machine or the following machines on which you plan to install the software.

Features of RAM Antivirus

Real-time protection

RAM antivirus programs offer real-time protection. This means that the antivirus program protects your computer from incoming threats. Therefore, even if a virus has not infected your computer, you should consider acquiring an antivirus program to prevent further infections.

Threat Detection

RAM antivirus offer threat detection. This means that the antivirus program will scan your entire computer for viruses. Not all antivirus programs are created equal and some have a higher detection rate than others.

Automatic updates

RAM antivirus programs offer automatic updates. Automatic update is important because an outdated antivirus program will not be able to detect the latest viruses. In addition, if an antivirus program only offers manual updates, you may forget to update it and your computer may be infected with a new virus.


Most antivirus programs can warn you when a program tries to access your computer. An example would be an online application. Most programs that attempt to access your computer are harmless or downloaded voluntarily. Therefore, the antivirus program will give you the ability to allow or prevent access.


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