1) Download and unstuff the client software from GET SOFTWARE (For the regular client. For the beta (recommended), try this)
2) Using the Terminal application, navigate to the folder where you unstuffed the client by typing 'cd ' (with trailing space), then dragging the folder into the terminal window. Hit return.
3) Run the client by typing ./dnetc (the first time you run it) if you need to change any configuration items later on the enter ./dnetc -config (this will then tell you that you need to enter an ID. The ID it is looking for is your email account.)
4) To start setting the client up, go to option (1) General Client Options; you will be presented with a menu, you will need to enter a valid e-mail address again option (1). Then enter (0) to return to main menu.
5) To have the client only crunch RC5 data go to option (2) Buffer and Buffer Update Options. Then click on option (9) Load-work precedence. Under New Setting enter the following: RC5-72,OGR-P2=0 and then go back to main menu
6) Enter (0) to save your setting and exit. If you wish to install the client so that it starts crunching when you turn the comp on, type ./dnetc -install
7) Now start the client again with the command ./dnetc
8) It should retrieve data and start crunching.
9) The next day (seriously at least the next day) go to this site and search for the email address that you provided the client above Find My Stats
If there are results returned then click on the link at the bottom of the page that says 'please email me my password'.
10) look at your email and write down password (copy paste wont work) Save this e-mail
11 click on this link Join Team scroll down and click on the link 'I want to join this team'
12) Provide user ID (your email account) and password (you did write it down, didn't you?)