For users holding onto 32-bit hardware, Avast Free Antivirus remains a top-tier choice. It offers a rare combination of enterprise-grade detection rates and continued support for an aging architecture. While users should be mindful of upselling and the inherent risks of older operating systems, Avast provides a critical layer of defense for the machines that need it most.

It is important to note that while Avast still supports 32-bit Windows 7, Microsoft no longer provides security updates for that OS. Running Avast is a vital layer of defense for those who cannot upgrade their operating system, as it provides a "virtual patch" against many modern exploits. How to Install Avast Free 32-Bit