It’s easy. Once you’ve logged in, just:
Remember: the clearer your question is to people reading it, the more likely it is you'll get really good answers. It’s often useful to provide additional information to further clarify your question in the Details section.
Taking the time to choose the best category for your question will also help make sure it's seen by the people most able to answer your question.
For guidelines on the type of questions that are acceptable, please refer to our community guidelines.
If your question doesn't receive any answers, you can extend the open period.