Install
Upload it under Plugins → Add New Plugin → Upload Plugin, then activate.
Install straight from GitHub with WP-CLI:
wp plugin install https://github.com/bretterer/wp-test-updating/releases/download/0.2.0/MOTD.zipUpdates itself. It ships its own updater, so new versions appear under Dashboard → Updates.
Releases
9 releases. Each count is every asset in that release; expand a row for the breakdown.
Tag
Published
Assets
Downloads