How can I get the documentation for v5.3

the example for lv_tileview on v6.0 canot run on v5.3

To be more precise:

Getting the HTML version from there might be a bit difficult, but Wayback Machine is your friend:

You can download the v5.3 docs from here. You should be able to run the html version offline.

It’s awesome, I’ve never heard about it so far.