Hi Albin,

DF19 installed in another location should NOT matter...

Try this:
1. Close all DF19 Studios
2. Copy the StudioTheme to your <DF19>\Lib Folder and execute
3. Choose "19.0" & "Dark", press Apply and confirm "yes"
4. Press the Launch button next
5. Select the "Order Entry" Workspace
6. Open the "Order.vw" file
7. Press F7 to switch to editor mode
8. The source file should be displayed in the dark mode