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The risk of viruses, malware, ransomware, and other digital threats are always there whenever you surf on the Internet. And to block them, you always need Antivirus Software. But most of the anti-viruses are heavy for your system’s memory. Therefore, in this article, we are sharing the list of Top Lightest Antivirus for Windows 10 2025. All of them have different security features. You can find both Paid and Free Antivirus for Windows and other OS below.
Lightest Antivirus for Windows 10 2025 [Paid/Free]
An Antivirus is a software that scans, detects, removes, and blocks viruses, malware, and other malicious threats. It is used to protect the user data and privacy from hackers and also it secures your online activities too. Other than this, Antivirus software can provide other features also, according to their brand. Here is the list of some best antivirus of 2025.
Lightest And Best Antivirus for Windows 2025 [PAID]
1. Norton Antivirus
Norton is one of the most trusted Antiviruses for Windows or any Operating System. It provides multiple layers of protection for your system. It will keep your data secure and protects your personal information from hackers. The Antivirus is available in four different plans, you can check the info below. The Antivirus is available at a budget-friendly price.
- Real-time Threat Protection
- Password Manager
- Smart Firewall
- 2GB PC Cloud Backup
2. Kaspersky Antivirus
Kaspersky is also an effective antivirus to protect your device from the latest viruses, Malware, Ransomware, Cryptolockers, Spyware, etc. Along with real-time protection, the antivirus offers you different features like it manages your passwords and pre-enter them when needed. There are more features that Kaspersky offers as an antivirus.
- Real-time Antivirus Protection
- Ransomware, Cryptolockers, etc blocking
- Cryptomining Malware Protection
- Lets PC perform smoothly
3. ESET Antivirus
ESET Antivirus is another best antivirus that is trusted by over 110 million people for more than 30 years. It is also one of the most trusted antivirus and Internet Security provider that gives you award-winning security. To try the antivirus, you can use the 30 Day Free Trial. It will help you to decide whether the software is the best for you or not.
- Compatible with Windows, Mac, Linux, and Android
- Antivirus, Antispyware
- Malware, Ransomware protection
- Password manager
- Privacy Protection
- Minimal Power Usage
4. TotalAV Antivirus
Now, the fourth-best Antivirus from the list is TotalAV. The antivirus can protect all your devices, Windows, Mac, iOS, Android. It protects your system or device with simplicity without affecting its speed and performance. You can even try the software with a Free Trial Offer. There are several features that TotalAV is offering to its users.
- Antivirus Protection
- Malware, Ransomware protection
- Latest Threats Protection
- Smartphone Optimizer
- Pin Protect Apps
- Best for Parental Control
- Safe Browsing with secure VPN
5. Systweak Antivirus
Here comes another Antivirus, Systweak Antivirus. It is also an effective method to protect your PC from any digital threats. Systweak protects your system from viruses, malware, ransomware, spyware, adware, trojans, etc. It gives you real-time protection, as well as provides you with secure and safe web browsing. There are a number of features it provides to secure your data and privacy.
- Real-time Protection
- Active Virus Control
- Protection History
- 3 types of scans, Quick Scan, Custom Scan, Deep Scan
- Boosts Performance
- Secure Web Browsing
6. PC Protect Antivirus
PC Protect Antivirus is also on the list of 7 Best Antivirus. This antivirus software provides you with real-time security with an advanced Firewall. It has every feature that protects your system and data from digital threats. PC Protect offers you different features like advanced antivirus protection, advanced firewall, etc.
- Real-time Protection
- Advanced Antivirus
- Firewall
- Smart Scan
- Compatible with Windows, Mac, Android, iOS
- File Manager
- Boosts System Performance
7. Bitdefender Antivirus
If we are talking about the best Antiviruses, then Bitdefender is also in the race. It offers the best Antivirus Protection for Windows. And if you are searching for a lightweight antivirus, then you must try it. Bitdefender provides real-time protection and blocks malware and other malicious threats. It also protects the user from phishing and provides a secure VPN for secure browsing.
- Real-time Threat Protection
- Antivirus
- Malware, Ransomware Protection
- Secure VPN
- Safe browsing and safe online transactions
- Boost up your PC performance
Best Antivirus for Windows of 2025 [FREE]
1. AVG Free Antivirus
The first Antivirus from the list of the best Free Antivirus 2025 is AVG Free Antivirus. It now offers you Real-time protection, scans malware and issues that affect your PC performance, and a lot more. You can download and use it for free with basic security features. But if you want to upgrade your security features, you can also purchase a subscription. There are a number of features that this antivirus software offers you.
- All-round protection for all devices Windows, Mac, Android, and iOS.
- Antivirus
- Malware, Ransomware Spyware Protection
- Blocks harmful links, email attachments, and downloads
- Boost up your PC performance
2. Comodo CyberSecurity Free Antivirus
Comodo CyberSecurity is another antivirus that you can download for free. Just like AVG Antivirus, it is also available for free as well as the paid version. It offers you different security features like scanning for viruses, spyware, etc. Also, it is compatible with Windows 10, Windows 7, Windows 8, Windows XP, and Vista.
- Defense+ Technology
- Antivirus
- Malware, Ransomware protection
- Auto containment technology
- Cloud base Antivirus
- Scan for Spyware
3. Avast Free Antivirus
The third-best Antivirus that you can use for Free is Avast Antivirus. It is a powerful and lighter antivirus that does affect the performance of your system. You can use it for Windows, Mac, Android, and iOS devices. Avast Free Antivirus is trusted by a number of users with its award-winning virus protection technology. It also offers you so many security features, which are mentioned below.
- Cloud Light
- Intelligent Antivirus
- Easy to set up and use
- WiFi Inspector
- Captures suspicious files
- Smart Scan
4. 360 Total Security Free Antivirus
We can not forget to mention 360 Total Security if we are discussing the best Free Antivirus Software for Windows 2025. It is available in three different versions, from which two are free and the rest one is paid. You can choose anyone according to your choice. 360 Total Security offers so many security features like protection from digital threats, cleanup, speedup, etc.
- Antivirus, Anti-malware, and Anti-Ransomware
- Multi-engine protection
- Secure online transactions
- Speed Booster
- Wifi Security check
- Sandbox, etc.
5. Adaware Free Antivirus
Now, last but not least, Adaware Free Antivirus. You can also download and try this Antivirus Software for Free. However, Adaware is available for free but if you want to upgrade the security options for your system, you can upgrade it by purchasing the Pro version of its. In the free version, you will get all the basic security features.
- Antivirus Protection
- Download Protection
- Real-time Protection
- Malware and Ransomware Protection
Conclusion
So, these were the Best Lightest Antivirus and Best Free Antivirus for Windows and other OS. You can download any of them according to your choice. You can read the features of all the antivirus and then select the best one for your system. All of them are the most trusted ones and provide you with better security than others. That’s it for this article; I hope it will help you. At last, Thanks for Reading. Keep visiting this website.