Please write instructions for setting a timer for 15 minutes.
To set a timer for 15 minutes, find an online or mobile timer app and specify the desired time to be 15 minutes. Press the "start" button to start the timer and wait for the time to elapse. An alarm should sound when the timer is finished.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Please write instructions for setting a timer for 15 minutes.

### Response:
To set a timer for 15 minutes, find an online or mobile timer app and specify the desired time to be 15 minutes. Press the "start" button to start the timer and wait for the time to elapse. An alarm should sound when the timer is finished.