Don't get a Chromebook:

https://arstechnica.com/gadgets/2023/04/chromebooks-arent-built-to-last-average-device-has-4-years-of-updates-left/

Scroll down on this link to see the list of when they will or were last updated:

https://support.google.com/chrome/a/answer/6220366

I've been using FocusReader on Android.