For ongoing maintenance, transition away from legacy vSphere Update Manager (VUM) baselines. Use vLCM to import the HPE Vendor Add-on components. This allows you to update baseline ESXi code and HPE drivers simultaneously across entire clusters using a single workflow.
Always verify the file integrity after downloading to ensure the ISO is not corrupted. Compare the SHA256 checksum of your downloaded file against the hash provided on the Broadcom portal. For ongoing maintenance, transition away from legacy vSphere
Verify your server's entitlement/warranty to unlock the download. Verifying Your Download: Security Best Practices For ongoing maintenance