To obtain a legal name change in Nevada, an applicant must submit a petition to the court. If you are changing your name to conform with your gender identity, you do not have to publish the name change in a newspaper. (Nev. Rev. Stat. Ann. §§ 41.270-41.290). If all of the required forms are filed and the steps are correctly followed, the judge will typically approve of the name change without a hearing. Follow the step by step instructions available on Nevada Courts Name Change.
For instructions on legal name changes for minors under 18 in Nevada, see NCTE's Name Changes for Minors in Nevada resource.