Digital encyclopedias / "wikis" - All of humanity's information at your fingertips.
Here you can download Kiwix, an application used for browsing different online encyclopedias in offline form, whenever and wherever you want.
This way the information is yours, and you don't need to rely on websites and an active Internet connection to access the information.
You will also avoid potential behavioral data collection.
Kiwix Windows 64-bit installer
Alternatively, you can use the official site: https://www.kiwix.org/en/
Now you can download offline "wikis" and open them in Kiwix: