For a standard installation, you only need to choose “Install” or “Graphical install” (with the arrow keys), then press the <keycap>Enter</keycap> key to initiate the remainder of the installation process. If the DVD-ROM is a “Multi-arch” disk, and the machine has an Intel or AMD 64-bit processor, those menu options“64bit install” and “64bit graphical install” enable the installation of the 64-bit variant (<emphasis>amd64</emphasis>) instead of the default 32and the installation of the 32-bit variant (<emphasis>i386</emphasis>). In practice, the 64bit version can almoremains available in a dedicated sub-menu (“32-bit instalways be used: most recent processors are 64bit processors and the 64bit version deals better with the large amount of RAM that new computers tend to havel options”). If you have a 32-bit processor, you don't get a choice and the menu entries install the 32-bit variant (<emphasis>i386</emphasis>).
“64 bit install” and “64 bit graphical install”enable the installation of the 64instead of the default 32and the installation of the 32-bit variant(<emphasis>i386</emphasis>). In practice, the 64 bit version can almoremains available in a dedicated sub-menu (“32-bit instways be used: most recent processors are 64 bit processors and the 64 bit version deals better with the large amount of RAM that new computers tend to havel options”). If you have a 32-bit processor, you don't get a choice and the menu entries install the 32-bit variant (<emphasis>i386</emphasis>).