how and where to start SAP-HCM configuration in Real time

Hi everyone

Can anyone plesae tell me in real time we will be given system and after that a client will be there then how we will start the implementation process where i should go will there be any specific client URl's that navigate me to some site and over there i will find SAP server or where i will find sap SERVER;

Like in IDES SAP-server is found on desktop like wise can u just tell in real time once i login into the client system what happens that means will that login take me to the different desktop and where in this new desktop in start> programs>Sap server

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like the above mentioned is correct or in whic way i have to open the SAP-server so that i can start configuring