How to schedule project tasks based on an expected end date

GanttProject Desktop Support
1

I have a project with some tasks and dependencies. I would like to have the date of those tasks calculated based on an expected end date of the whole project.
Can you please help me how to handle that ?

Many thanks in advance,

David

2

Backward scheduling is not supported directly, sorry, but you may try somewhat clumsy but generally working technique described in this issue: