The releases even get built there. But not all builds end up with an item on the releases page.
So if you are interested in prelimiary build results (of code that was not merged into the master branch), you can check the Actions page to see what happened or is happening on Github. At the time of writing the Actions page looks like this:
Now click one of the workflow runs in the table to see that run's details.
Scroll down on the same page to see the artifacts that this run produced:
Click one of the artifacts and your browser will start downloading a zip archive. Once the download has finished, unzip it to see the content:
Still confused? See a video about the stuff written up there: https://www.youtube.com/watch?v=QjyjNTKasEY