Piwigo can be installed using the NetInstall or Manually
Description : One single file to upload by FTP onto your server : that file will download from piwigo.org the latest version of Piwigo and extract it on your server. Go to http://www.mywebsite.com/piwigo-netinstall.php to start the install.
Doc : NetInstall.
Download : direct link.
Description : Download and unzip the latest version of Piwigo, then upload the files by FTP onto your server. To start the install process, just go to http://www.mywebsite.com/piwigo/.
Doc : Manual Installation.
Download : direct link to the latest version.
Piwigo can be installed onto 'local', on your computer, for testing purposes. The requirements are the same, so you will need a server installation : on Windows, use WampServer and on Linux setup a server with Apache/MySql/PHP packages.