Open Device manager
Run command (devmgmt.msc)
Take the properties of the device which you want to identify
Go to “Details” tab and select Hardware-id’s
Here you can see some code like below
PCI\VEN_10EC&DEV_8168&SUBSYS_81681019&REV_01
Find the highlighted text. There you can see Vendor and Device
Now go to http://www.pcidatabase.com
And find out the device information by giving that 4digit value to the site and you can find make and model from there.
Once you find out the device you can directly download all divers from OEM (Original equipment manufacturer) site itself. See OEM driver download links.