If you didn't get our e-mail because of any kind of problems, you can check if you are confirmed as a beta tester or not using this page:
http://beta.taleworlds.com/download.aspx
You need to enter your e-mail and serial number that you have used while applying for beta testing in order to see the download link.
In addition to the installer, we also publish the patch links using that page.
The latest version is 0.701, and you can update your game from version 0.700 to the final one with a single patch.
EDIT: Added patch info.
http://beta.taleworlds.com/download.aspx
You need to enter your e-mail and serial number that you have used while applying for beta testing in order to see the download link.
In addition to the installer, we also publish the patch links using that page.
The latest version is 0.701, and you can update your game from version 0.700 to the final one with a single patch.
EDIT: Added patch info.