Generally though unless someone has gone off topic you are best to respond in the original thread.
If it is a locked topic just post the URL when you select that post specifically, and then copy paste the post content for your thread.
Edit: I am curious as most new accounts don't ask these questions. Do you have an account that has already been banned for plagiarism? If so creating a new account and posting is ban evasion and will result in this account being banned as well.