Service desk on solman 4.0

Hi experts,

We need to setup the service desk in solution manager 4.0, can you please suggest any documents to go through first.

Having ST Component Version as below.

ST                     400      0013      SAPKITL423      SAP Solution Manager Tool

SAP_BASIS      700      0013      SAPKB70013      SAP Basis Component

SAP_ABA           700      0013      SAPKA70013      Cross-Application Component

Thank you

Best Regards