How to find a driver for a device for VMware ESXi OS

Use this method to find the driver for any device used in VMware OS (Esxi 4/5/etc.,)
concern: need driver for HP 366m NIC adapter for ESXi 4.1 U2

1. go to http://www.vmware.com/resources/compatibility/search.php
2. select the type of search that you want to do, in this case IO devices
3. optionally select the partner name (eventhough it is not necessary since almost all the device names are unique for different partners), in this case HP.
4. enter the name of the device under the box named keyword and hit enter, here it is 366m.
5. select the appropriate result and proceed to the next page
6. There copy the name of the version of the nic driver in regards to the version of the operating system. In this scenario it is, ESX / ESXi 4.1 U2         igb version 3.2.10
7. Then go to the generic download link given below that version http://www.vmware.com/download/vsphere/drivers_tools.html and enter the copied version of the driver in the search box and hit enter, the first result should give you the version of the driver.

(this was written/documented for a friend of fine who often finds it puzzling on how to find drivers for the VMware OS)