It's pretty simple Daniel... if you're not confident have an sau'er or someone look over your shoulder. There's plenty of threads on how to install a profec b on the forums, you can basically do the same thing in terms of installing.
When you're setting up the DSBC, turn it to the off position before setting your gains, limiters etc. Check that the boost reading is accurate. Then start with your limiter, then slowly increase your gain until you're happy with the boost.