This page details how to install and upgrade the free version of TubePress.
The latest packages of TubePress can always be downloaded as zip files from http://tubepress.org/download/. If you're feeling brave, you can grab the bleeding edge of TubePress from Github.
TubePress can be installed and activated just like any other WordPress plugin. See the WordPress docs on plugin management for more information. For the impatient, here are the steps…
wp-content/plugins)Site Admin > PluginsSite Admin > Settings > TubePress
Upgrading the free TubePress plugin is also easy. Feel free to use WordPress's auto-update mechanism, or follow these instructions to perform a manual upgrade.
wp-content/plugins/tubepresswp-content/pluginsSite Admin > Plugins to ensure the new version is activatedSite Admin > Settings > TubePress to initialize your TubePress options