Insert the USB into your target machine and select it as the primary boot device in the BIOS/UEFI.
A boot disk of at least 8GB (USB, SD Card, or HDD/SSD). Note that ESXi 6.7 is the last version that reliably runs well off high-quality SD cards. How to Install ESXi 6.7 from the ISO esxi 6.7 download iso
This guide covers how to safely source the ESXi 6.7 ISO, the hardware requirements you need to meet, and the installation process. Where to Download the ESXi 6.7 ISO Insert the USB into your target machine and
Do you need help finding for your NIC or RAID card? esxi 6.7 download iso