I want to upgrade to Adobe Dimensions 4.0 to support Windows 2000, ME or XP. Why does not have a release date available yet?
This is a discontinued the software. It's not possible to release the future versions of Adobe Dimensions available yet. Therefore, Adobe recommends Adobe Atmosphere, which is a replacement of the Adobe Dimensions product.
You can download Adobe Atmosphere available at this official website: http://www.adobe.com/products/atmosphere/main.html