However, finding an antivirus that supports an outdated, 32-bit architecture is becoming increasingly difficult. This write-up outlines the current risks, compatible software options, and hardware limitations.
If the machine is used for general web browsing or light office work, Kaspersky Free or ESET offer the best balance of protection and performance. However, the ultimate solution is to upgrade the hardware or migrate to a Linux distribution (like Linux Mint XFCE) that supports 32-bit architecture and receives active security patches.
Running Windows 7 32-bit is a calculated risk. While free solutions like or Avast provide a necessary shield, they cannot patch the underlying architectural flaws of the operating system.