You have a name, so you have Registered.
At the top of the page, there is a Red Bar. On the left hand end are 3 horizontal lines, sometimes called a Burger. Click on this and Log-in with your Password.
Click on the Red Box labelled "Ask a Question"
Your Question Title must have a minimum of 5 words and there is a maximum, but I cant remember what it is.
Type your question into the box and tick the larger box and, if you wish an email notification of any answer, tick that box. I don't bother with the email notifications.
We may ask for more details. Remember that we are just like you and are answering from our own experience. A few may be professionals giving their time for free but most of us are just here for the mental challengs