The All Languages download (MultilingualAll) includes all languages supported by LibreOffice
LibreOffice Portable is a full-featured portable version of LibreOffice – including a word processor, spreadsheet, presentation tool, drawing package and database – packaged as a portable app, so you can take all your documents and everything you need to work with them wherever you go. It is packaged in PortableApps.com format so it can work with the PortableApps.com platform and its automatic updater and app store, work with other portable menus, or work by itself from a USB, cloud or local drive. And it is open source and completely free.
Which version? It depends on your needs, take a look at the Release Notes .
Which languages? The standard download (MultilingualNormal) includes support for Chinese (Simplifed and Traditional), Dutch, English, French, German (Homepage), Hungarian, Italian, Japanese, Korean, Polish, Portuguese (Portugal and Brazil), Russian and Spanish. The All Languages download (MultilingualAll) includes all languages supported by LibreOffice. An experimental option during installation allows you to remove extra language templates, dictionaries, etc. but may require launching LibreOffice twice on first run to complete the process.
For more information, all version and support please visit http://libreofficeportable.org.