Ask for what I need
One way to say it.
Use these words, adapt them, or choose something else.

Could you tell me just the first thing: when do I take the first one?
Before you use it
Think about what you need and who you are speaking with. You can say the line, write it or show it. The other person may respond in different ways.
One step at a time · A new medication
Availability depends on Apple approval and your region.