This release has the same features as 4MLinux 5.1 BETA with the additional possibility of a fully automatic upgrade to 4MLinux Allinone Edition. There are two versions available to download: 4MLinux-5.1.iso (with a GUI that requires 256MB of RAM) and 4MLinux-5.1-installer.iso (with a TUI that requires 128MB of RAM). Both versions can be installed to a hard disk (and later updated to 4MLinux Allinone Edition, if desired). Automatic downloading and installing of some additional components (e.g. Opera 12.13, LibreOffice 3.6.5, and Partition Wizard 7.6) is also possible.