Place all files into a directory on your webserver, then copy config.defaults.php to config.php and adjust it to your needs.
Your filenames need to contain at least a Title ID in the format [0100XXXXXXXXYYYY], and Updates also need a version tag like [v1441792].
FAQ
Q. I am a 32bit system and rom info button doesn't show, why?
Rom info button is disabled on 32bit system. sorry but with php on a 32bit system is impossible to do decryption
Q. What is the differences between master and dev branch?
Master branch is stable and updated only when all features are tested and stable. Dev branch often have more features but may (mostly with proconsule commits) have bugs.