Top 5 best antivirus applications for your computer

It is well known that every time you visit a strange website, the risk of computer infection is very high. Still knowing that, but to prevent, avoid, or handle when a computer is infected with viruses is another thing, and with so many antivirus software today, users can choose a product Satisfied, quality and efficiency are not simple.

What is a computer virus? This is a concept that many people are still quite vague and unclear. Computer viruses, or "viruses", are small, human-generated code that can replicate and copy themselves to infected objects (data files, drives). hard .) . Computer viruses can harm an infected computer without the user's permission, and they are "spread" through the Internet, or personal storage devices, such as: USB, hard drive mobile, memory card .

Top 5 best free antivirus software for computers

Like Virus, there are many companies, software companies that market antivirus products, ranging from free, trial and free. Causing users to know what virus their computer is infected with, it is not known which software to use to handle or prevent it for the next time.

This article will introduce you to free antivirus software with quality that is not inferior to its paid version or other software vendors. If you are still hesitating, do not know which option is the most reasonable, take a look at these suggestions so that you can both protect your computer and at the same time save a small expense.

1. Avira Free Antivirus

Deserved to be at the top of the list of the best free antivirus software this time, Avira 's ability to detect viruses (99.99%) is rated by independent laboratories in this field. Being able to protect the computer from external virus infection, Avira is also highly appreciated for finding, killing and repairing viruses caused by viruses.

Advantages of Avira Free Antivirus 2015

• All free.
• Lightweight, taking up less machine resources.
• The Avira Search Free Toolbar tool can be attached directly to the browser, helping users browse the web more safely.
• Timely warning of dangers from outside.
• Schedule a virus scan for your computer.
• Automatically updated.
• Works well on computers with medium configuration, or weak.

Disadvantages of Avira Free Antivirus

• Bad interface, monotonous and not eye-catching. However, this is only a small minus point and totally unrelated to what this best free antivirus software can do.
• Email scanning is not supported.
• It is possible to remove viruses and fix them, but Avira cannot isolate them, preventing them from spreading to other places on the computer.
• Quite "sluggish" when running the "Full Scan - Full scan" feature.

2. Bkav Home

A "homegrown" product of Vietnam. While it is a free version, its functions and performance are not inferior to any other paid software.

Advantages of Bkav Home

• The second software in the world is equipped with all advanced and high-quality technologies such as cloud computing (Cloud Computing), safe implementation (Safe Run), or firewall (Firewall) .
• Featured with the "Auto Protect - Auto Protect" feature. When users access the Internet , download files from the network, receive new mail, or even connect computers to other devices such as USB, CD, portable hard drive . to the computer, Bkav will automatically scan, find, and destroy any viruses detected.
• Intuitive interface, easy to use.

Disadvantages of Bkav Home

• Heavy-duty, large-capacity installer.
• Scanning for viruses slowly.
• It takes quite a bit of resources, making it slow.

3. Avast Free Antivirus

Third is a product that is trusted by 220 million people worldwide and used to protect their computers.Avast is supported on all versions of Windows operating systems, so it is extremely convenient for users. In addition, with DeepSreen technology and improvements from the "cloud" scanning feature, this antivirus application is still gaining popularity and is highly appreciated by loyal users.

Advantages of Avast Free Antivirus

• Lightweight and capable of analyzing, scanning viruses quickly.
• Good removal, capable of fixing some minor bugs of Windows 8, or Windows 8.1 operating system .
• Is a good shield to block the malicious code included in the e-mail.
• You can enable Firewall to prevent computer intrusion from hackers.
• User-friendly interface, easy to use with the ability to flexibly customize features to suit the purpose and requirements of users.
• The ability to block malicious URLs is good, many times higher than other software. This helps users avoid codes, websites that can spread viruses when accessing the Internet with a browser.
• Ability to check network security vulnerabilities.
• The ability to change methods, and the default scanning object is also a feature that helps Avast score points with users.
• Developed with more than 40 languages (including Vietnamese, the most out of antivirus software) shows the popularity of this application in the world.

Disadvantages of Avast Free Antivirus

• It is possible to scan and display errors on the machine, but it cannot fix those errors.
• The ability to update new viruses is quite slow.
• Although it is free, users still have to use email to register for free code for a period of 1 year. After 1 year of use, the user must continue to register to get another code.
• There are a few features to pay for use.

4. AVG AntiVirus Free

As one of the most highly rated antivirus software in 2015. In addition to being able to prevent virus intrusion, AVG can also protect computers from spyware (Trojans) and malware. Other harms. However, this software is often accompanied by a series of ads as a form of marketing and product promotion.

Advantages of AVG AntiVirus Free

• Lightweight, does not take up too much machine resources.
• The interface is eye-catching, but still convenient for users.
• AVG Turbo Scan feature is maximally improved, making this software the fastest virus scanning speed in all software of the same type.
• Virus scanning software is considered "honest" when creating quite a few announcements about fake viruses.
• With File Shredder, users experience how to delete data thoroughly, irreversibly in any situation.
• Automatically update the list of new v irus database types.
• Good anti-malware.
• Vietnamese language support.

Disadvantages of AVG AntiVirus Free

• Ads are everywhere, making each incorrect click also open an "irrelevant" page that annoys users.
• The scanning speed is fast, but the accuracy is only average.
• Or ask users to upgrade to a paid version.
• There is no "Quick scan - Quick scan" feature.

5. CMC AntiVirus

Another product of Vietnamese people. With the ability to identify and destroy 5 million models of viruses, trojans, and worm computers , CMC is a software capable of protecting the computer quite comprehensively. At the same time, the ability to automatically update the database also makes this software superior and worth choosing to use more than other products of the same type, or even products that have to pay.

Advantages of CMC AntiVirus

• Automatically update virus patches and databases , trojans, worm computers.
• Updated regularly, continuously (5 minutes / time).
• Real-time protection mode.
• Activate the firewall when accessing the Internet or using a peripheral device (USB, memory card .).
• Multi-language support.
• Multiple scan tasks can be performed at the same time.
• Ability to update offline (even if the device has no Internet connection).
• Send strange virus samples or wrongly identified files to the center to process and update the database.

Disadvantages of CMC AntiVirus

• Pretty heavy
• Not suitable for old, long-standing computers with medium or low configuration.
• The firewall is not really good.

The summary is for reference only, so there may be some shortcomings or inaccuracies of some feature information. But in my opinion, these are the best free antivirus software today, and users without economic conditions can, so try using them to get a clear view as well as the most exactly.