: Press F10 during boot to enter the BIOS Setup or use the dxdiag command in Windows to see your current version. Step-by-Step BIOS Update Guide Method 1: Using a USB Flash Drive (Recommended)
. Enter your serial number or search for "HP Compaq 8000 Elite Small Form Factor PC." OS Compatibility:
, the most stable and latest BIOS version is (released November 27, 2015). Updating to this version is critical for modern use as it mitigates the "Memory Sinkhole" security vulnerability and improves system stability.