who can i install mediawiki???

[midnight apex]

you see i would like to make a sidebar for my wiki but i see it works with mediawiki but idk how to use/install it!!

[inland mauve]

We are a mediawiki host. You don't need to install it if you're using us.

[worldly rain]

[[MediaWiki:Sidebar]]
See the help page:
https://www.mediawiki.org/wiki/Manual:Interface/Sidebar

No need to install it, as it is already there.

[winter python]

https://meta.miraheze.org/wiki/MediaWiki:Sidebar

[midnight apex]

Oh ok, thanks