Go to Window menu > CSS Designer or Shift + F11.
To open CSS files in code view, open Files Panel (F8) and double -click on the asset. See screenshot.
Hi,thanks for your Answer. But i missing this menu.
in Pic 2 ,you can see how it looks now if i open tne SCC File,it is not connected to the HTML Site,
but opened in new Window.
I found it ...Edit->Preferences->Enable Related Files.