Unlike driver updates, BIOS releases typically arrive far less often—usually when vendors add support for new CPUs, but also occasionally to improve stability and performance, or to address security ...
I have an old HP ProBook 6450b, based on an early first gen i5 M450. I've had Windows 10 32-bit on it for several years, and I'm now upgrading the RAM from 2x2GB to 2x4GB, 8GB Total, PC3-10600 DDR3 ...