Hello,
I work with Mari on the SolidWorks Education team. Before installing the client version (the once you will use on your personal computer) you need to install a Workgroup PDM Vault first. This means you will need to assign one computer on the network to be the vault.
Vault:
http://www.youtube.com/watch?v=3HPXNknHLYI
Client:
http://www.youtube.com/watch?v=PCWdh...ature=youtu.be
Installation PDF:
http://www.solidworks.com/sw/educati...nd-support.htm