This page lists the latest version of the Tor client
that is bundled with the Tor browser.
The current browser version is
and it's checked once every 24 hours.
These are easy to use installers. They're built automatically whenever a new version of the Tor client is released. The installer comes with a default configuration file, example hidden service, and the ability to register Tor as a Windows service.
The portable version is the unmodified zip file from the Tor project servers. Use this if you know how to configure and use the tor client.