For Windows 7/Vista: 1  Click âStart buttonâ. 2  Click âControl Panelâ. 3  Click âSystem and Maintenanceâ for Vista | âSystem and Securityâ for Win7.  Click âDevice Managerâ.
The definition of a possum, or opossum, is a tree-dwelling nocturnal marsupial with fur and a prehensile tail. A small Australian mammal that lives in a tree and only comes out at night is an example of a possum. possum. possum.
For the Eastern Hemisphere marsupial, see possum. For other uses of Opossum, see Opossum (disambiguation) . The opossums, also known by their scientific name Didelphimorphia /daÉªËdÉlfÉ¨ËmÉrfiÉ/), make up the largest order of marsupials in the Western Hemisphere, including 103 or more species in 19 genera.