Hello.
First you must confirm that your model of Dell server is supported, attached link
https://www.dell.com/support/manuals/en-us/vmware-esxi-6.7.x/esxi_6.7_vsphere_compmatrix_pub/dell-em...
In the Download section choose Custom ISO and look for the most up to date ISO for Dell
DellEMC Custom Image for ESXi 6.7U3 Install CD
The Standard ISO and Custom ISO have exactly the same software with all its features but enabled for 60 days (Demo), when you enter the license the features are activated according to your license.
Enrique Espinel
Senior Technical Support on IBM, Lenovo, Veeam Backup and VMware vSphere.
VSP-SV, VTSP-SV, VTSP-HCI, VTSP
Please mark my comment as Correct Answer or assign Kudos if my answer was helpful to you, Thank you.
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