Since you don't give us any details (product), all I can give you is https://helpx.adobe.com/contact.html
Phone support may not be available during certain hours in the US or your country of residence. You may try chat during these times, or even get help here in the forum.
You may not LIKE the answer, but it is the correct answer
I JUST WANT TO USE THE PRODUCT I HAVE BOUGHT. YOUR SITE ONLY DIRECTS TO BUY BUY not USE
The forum is for the FREE Reader program that you do not purchase
You need to find the forum for what you have and post a question there, start at https://forums.adobe.com/welcome
2 things for when you post a question in the correct forum
Do not type in all CAPITALS, since that is seen as SHOUTING and will cause some people to not reply
When you ask a question you need to provide some basic information
-Forum quick start https://forums.adobe.com/docs/DOC-5601
Mac or Windows, and EXACTLY which version of the operating system?
Recent Mac AND Windows operating systems have been known to cause "odd" problems
Are you using a computer Administrator account with full read/write permission?
Exactly which version of the program do you have that is causing problems, and what error message do you see?
Do not reply here... find the correct forum and post your question there
The Adobe forums are user to user based, the vast majority of posters here are Adobe customers and software users, like you.
If you could explain your issue, with the pertinent info (like OS, version, software title, etc) one of the contributors here would likely have no problem getting you up and running.