This KB article describes the process for creating a Virtual Machine with a Virtual Trusted Platform Module. A TPM or vTPM is required for some OS installations, like Windows 11 for example.
For more information about
VMware vSphere ESXi 8.x
VMware vSphere ESXi 7.x
VMware vSphere ESXi 6.7
The process for creating a VM with a vTPM is very similar to the standard VM creation process, with the added requirement of having a Key Provider configured and adding a vTPM device to the VM.