Fallout: New California adds an all new story around a new player character, an adopted resident of Vault 18, embarking on a journey through the wastelands of the New California Republic's Cajon Pass. An unofficial prequel to New Vegas, FPB adds hours of new gameplay and a fully voiced stand alone campaign.
BETA 203 -- Apply to your BETA 202 installation. Just unzip 203, drag to your DATA folder, and overwrite, yes to all.
Go to your New Vegas DATA folder.
(C:\Program Files (x86)\Bethesda Softworks\steam\steamapps\Fallout New Vegas\Data) [example]
Open this PATCH 7Zip
Highlight all files.
Drag them into your DATA folder.
Yes to All!
Done! Go play!
Patch Notes and Bug Tracker: Docs.google.com