How to speed up part of a screen recording

1. Move the playhead

   to where the slow part starts and press S (or ✂ Split).

2. Move to where it ends

   and press S again.

3. Click the section

   between the two split marks to select it.

4. Pick a speed

   in the timeline toolbar: 0.5×, 1.5×, 2×, 3× or 4×.

The section appears as a blue block on the timeline; click it to cycle speeds. Smart Edit creates these automatically for typing and waiting.

Whole-clip speed (Pro)

Edit tab → Speed changes the speed of the entire clip, from 0.5× (slow motion) to 2×.