Distribute objects in the timeline with equal intervals from the menu bar under Arrange ->Distribute -> Timing:

There are multiple options to distribute the timings of objects:
- Distribute start time - same stop time:

- Same start time - distribute stop time:

- Distribute start and stop time:

- Distribute start time - same object length:

Distribute Timings
- Add objects to canvas arranging them in the order to appear with the top item being the last item to appear:

2. Select and drag the object that should appear last to the required time:

3. Select all the objects by holding down the CTRL key while selecting them:

4. Select the relevant option from Arrange -> Distribute -> Timing.
Time locked object can't be distributed.