Kaspersky Free is a fast, effective antivirus program that Windows PC users can download and use for free. Kaspersky Free is a free and fast antivirus program that Windows PC users can download. Blocking websites that automatically perform dangerous downloads, throwing away from malicious emails designed to steal money and personal data, updating databases from the cloud, keeping your PC safe from the latest online threats Kaspersky Free can be installed on a single device and does not host any additional security options such as privacy protection, protection for online banking and purchases, and parental controls provided by Kaspersky Internet Security. You can download the Kaspersky Free antivirus program from the above link to your Windows computer, which does not significantly consume system resources and runs much faster than other security products. According to Kaspersky’s system recommendations, Windows XP runs seamlessly on Windows 10 on all systems.