Yes, you need antivirus for Windows. While Windows has built-in security features, such as Windows Defender, that can help protect your computer from viruses and other malware, these features are not enough to provide complete protection. An antivirus program can provide an additional layer of protection, and can help to detect and remove malware that may have been missed by the built-in security features.

In addition to protecting your computer from viruses and other malware, an antivirus program can also help to protect your personal information and prevent unauthorized access to your files. This can be particularly important if you use your computer for online banking or other sensitive activities.

While there are many antivirus programs available for Windows, it is important to choose one that is reliable and well-reviewed. Some popular antivirus programs for Windows include Avast, McAfee, and Kaspersky.

In conclusion, it is recommended to use an antivirus program on your windows computer to provide additional protection against viruses and other malware. An antivirus program can help to protect your personal information, prevent unauthorized access to your files, and keep your computer safe from security threats.