§Discourse
§Install
The following has been adopted from this topic: How do I install a theme or theme component?
§Importing new themes and theme components
To import new themes and components, visit: www.yoursite.com/admin/customize/themes
Or via the UI head to Admin > Customize > Themes
.
Then click on Install here:

You'll see this:

You can install popular Discourse theme components from the Popular tab, or import via your device or a repository link by clicking on the respective tabs.

The repository link for each theme is provided by the author on the theme topic. There are also options to import from a specific branch and to specify whether the repository is private.
If you import a theme component, you need to also add it to your actives themes. This is covered in detail in the next section.
§Add theme components to a theme
Let's say you like the Discourse category banners theme component and want to use it. You would proceed as follows
- Import the theme from the repository like we discussed above
- Add it as a theme component to your active / user-selectable themes
You can add the component your theme(s) using the "Include component on these themes" setting:

You can also add components from a theme's overview using the "Included components" setting:

§Checking for updates
Sometimes the themes or components you install will have updates.
If a theme or component has updates, an icon will display next to its name like so:

If you select that theme or component you can update it with one click by clicking on the update button here:

§Note
This should cover everything you need to install a theme or theme component. If you'd like to learn more about the Discourse theme system, we have a more detailed guide that should provide you with a general overview with more details.