The first step in creating a fully-branded RCP product is to create a plug-in project with an RCP template
Select File > New... > Project > Plug-in Project. Click Next.
Enter com.example.xyz for the name of the project. Click Next.
Choose Yes in the Rich Client Application section. Click Next.
Press Finish.
A new plug-in project will be created and the manifest editor will open.
Click on the Launch an Eclipse application link in the Testing section. A splash screen will appear and go away. The fully-branded RCP mail application subsequently appears.