Cold migration of VMs in vSphere can be performed by following these steps:
1. Right-click on the VM you want to migrate and select “Migrate” from the context menu.
2. Select “Change both compute resource and storage” from the list of migration types.
3. Select the destination host and data store for the VM.
4. Choose the appropriate network for the VM.
5. Review the migration details and click “Finish” to initiate the migration.
Once the migration is complete, the VM will be powered off on the source host and powered on on the destination host.