I use Powerpoint to make a lot of worksheets, taskboards and other adaptive tasks to use in my class. We use the TEACCH system where appropriate.
This involves the student completing a number of tasks as independently as possible. These are usually laminated and attached with velcro for matching tasks.
Powerpoint is very simple for staff who aren’t that confident with IT. This is a training outline I used to teach the basics including copy and pasting from other programmes (usually communicate in print). Below is an example available on TES