You will see several build numbers. Choose the for stability:
Sometimes older versions are hidden. Use direct download via (no login required for patches, but full ISO may still need login): download esxi 6.7 iso
Custom images for ThinkSystem servers can be found on the Lenovo Support Portal. Essential Version Information VMware ESXi - endoflife.date You will see several build numbers
Similar customized images are available through the HPE Support Center for ProLiant servers. download esxi 6.7 iso
If prompted for a license key: