Download latest version:DOWNLOAD 23.4.16 master.zip
Download and extract the .zip file, upload the files to your server using any ftp client you like (we strongly recommend FileZilla). After upload process to your webserver is complete, simply call www.yourwebsite.tld in your browser. If the server is correctly configured, you will see step 1/5 of the setup process. The installation guide you through 5 steps and is pretty self-explanatory.