How to play in Hyperdimension Neptunia Re;Birth1 (Steam) in Japanese
1. Launch Steam Client
2. Click Library
3. Right click Hyperdimension Neptunia Re;Birth1 under games
4. Click properties
5. Click on the Language tab
6. Select Japanese
7. Japanese language version will be downloaded
*Saved data will be transferrable between English version and Japanese version.
**These instructions on how to activate the Japanese language option is also located on the Steam page.