Kiwix

QEx is a multipurpose application that allows you to download full content of Wiktionary, Wikisource, Wikibooks, Wikiquote, and Wikipedia in different languages, so that you can read them without requiring an internet connection.

Select the Wikipedia version that you want to download and wait for it to finish. That said, first make sure you have enough space on your hard drive (850 MB in Spanish, English version 5585 MB, French version 1360 MB and German version 1779 MB).

Kiwix is ??a simple application that lets you browse Wikipedia offline, and includes features such as advanced search and search history. The production bar indicates that your download status will appear in the top left corner of the screen, just below the Corpus word You can download multiple versions of Wikipedia together. Just make sure you have enough space on your device.