Viruses can have a significant impact on computers and can cause a wide range of problems. Some of the most common effects of viruses include:
- Reduced performance: Viruses can slow down your computer by consuming system resources, such as CPU and memory, which can make it difficult to perform basic tasks.
- Data Loss: Some viruses can infect and corrupt files on your computer, making them inaccessible or causing them to be deleted.
- System crashes: Some viruses can cause the operating system to crash or experience errors, making it difficult or impossible to use the computer.
- Stealing personal information: Some viruses can track your online activity, steal personal information such as credit card numbers, login credentials or keystrokes and send it to the hacker.
- Financial loss: Some viruses can install malware on your computer that can be used to steal money from your bank account, or to make unauthorized purchases online.
- Spreading to other computers: Once a computer is infected with a virus, it can spread the virus to other computers by sending infected files or emails, or by infecting removable media such as USB drives.
- Network damage: Some viruses can spread through a network, infecting multiple computers and causing damage to servers and other critical infrastructure.
- Damage to the Reputation: Some viruses can also cause damage to the reputation, as they can be used to send spam, phishing emails and spread malware to other computers.
It is important to keep your computer protected by using anti-virus software, keeping it updated, and being vigilant when opening emails and downloading files from the internet. Additionally, it’s a good practice to regularly backup your data and install software updates as they become available.
With hundreds of antivirus software solutions available, it is not easy for you to decide which is best for you. Therefore, with our experiences we will recommend you Top 5 best and free antivirus software for your computer 2023.
#1 Bitdefender Antivirus- Antivirus Software with The Most Advanced Technology
Bitdefender is a computer protection software that is always in the top of the world’s best security software. Through many upgrades, Bitdefender not only improves the quality but also improves the interface. In addition to virus attack protection, this software also blocks you from visiting potentially dangerous websites with notifications.
A big advantage for this software to always be popular is the simplicity of installation and use. Furthermore, this software scores almost the maximum in AV tests.
Bitdefender antivirus provides several antivirus software packages for Windows which are well-regarded by independent testers and reasonably priced, as follows:
- A free version offers computer scans and other antivirus features, as well as web protection against phishing and fraud.
- A paid version includes Safepay for financial transactions, multi-layer ransomware protection, and vulnerability assessments. Further, a virtual private network (VPN) is also offered with higher tier packages.
- Ransomware detection
- Anti-Tracker for better data privacy
- Frequent updates with subscription
- Password manager with some packages
- Some packages can be quite expensive for personal users.
- VPN available with higher tier packages only.
Bitdefender Antivirus- Antivirus Software with The Most Advanced Technology (link ảnh)
#2 Avira – Antivirus and Malware Prevention software on PC and Mac
Avira is a popular anti-virus computer protection software in Germany in the past few years. Avira has a diverse number of functions to help users prevent all types of Viruses, ransomware or other threats.
As the best antivirus by comparison on smooth running metrics, Avira has the feature to free up space to make your computer run more smoothly. Many users were surprised when Avira made their old laptop run smoother than when they first bought it.
A free version of Avira is relatively comprehensive. This cloud-based anti-virus software can detect ransomware and provide standard protections, including anti-phishing. This version also includes a startup optimizer, battery saver, disk space cleaner, and firewall. A paid version of Avira seems quite reasonable.
- The free version offers good protection.
- Using the latest cloud technology for great virus protection
- The installation is very easy.
- The paid version doesn’t offer much more than the free version.
- Customer service is not included in the free version
Avira – Antivirus and Malware Prevention software on PC and Mac (Link ảnh)
#3 McAfee Antivirus – A Total Protection
After more than three decades of launching and developing, McAfee continues to achieve the trust of millions of users all over the world. It provides a wide range of offerings to suit all kinds of requirements and budgets, including McAfee Total Protection, McAfee Identity Protection Service, McAfee TechMaster Concierge and McAfee Virus Removal Service.
McAfee Antivirus is considered as an ideal antivirus software with real-time malware detection for all your devices at an affordable price. This antivirus platform recognizes the growing number of devices used in a single household, which could include four or more different operating systems.
The basic package of McAfee supports up to 10 devices and includes features such as full protection for home network, password manager, encrypted storage, and identity theft protection.
- Provides protection for all devices, including operating systems on smartphones such as Android and iOS
- Good malware detection
- Good firewall
- First year discounts
- Provides no options for protecting one
- single device.
McAfee Antivirus – A Total Protection (link ảnh)
#4 Kaspersky – Premium Protection Against Viruses, Malware, Spam
Kaspersky always attracts a large number of users because it regularly improves and releases new versions. This computer protection software is divided into free and paid versions.
- With the free version, it also provides tools to prevent viruses, scan for viruses for your computer.
- With the paid version, this software provides protection against financial theft when making online purchases. When it detects that your payment operation has a potential risk, Kaspersky software will open a safe window so hackers can’t steal your information.
- Perfect and near-perfect scores from four independent testing labs
- Effective ransomware protection
- Good scores in many hands-on tests
- Full-scale phone and live chat support
- Bonus scans significantly overlap each other.
- Vulnerability scan offers little information.
Kaspersky – Premium Protection Against Viruses, Malware, Spam (Link ảnh)
#5 AVG Antivirus Free – The Best Free Antivirus Program
AVG is the best antivirus among free software available on the market. If the computer configuration is not high, AVG Antivirus is the number one choice for you. With a light capacity, AVG is designed with a simple and intuitive interface. This software features virus scanning to improve performance, find malware and promptly block suspicious files when users download.
- Ease of use with a friendly interface.
- Various layers of protection.
- Set-up takes too long.
- Its setting alternatives are the little bit complicated than that of others
AVG Antivirus Free – The Best Free Antivirus Program (link ảnh)
That said, antivirus software is no substitute for safe online behaviors and habits. Thus, we have recommended you Top 5 best antivirus software on the market currently with the ability to kill thousands of different viruses as well as extremely good defense support, helping you avoid being attacked by hackers. Hope you find the right software and install it successfully.