Are you using this for a or a general research paper ? Knowing the context can help me find the exact version you need.
Go to GitHub and search for "neptune.cls" or "neptune-latex" . neptune.cls download
If you’ve ever tried to typeset a professional academic paper, a complex thesis, or a high-end technical journal in LaTeX, you’ve likely realized that standard classes like article or report don’t always cut it. Enter . Are you using this for a or a general research paper
If you don't want to manage local files, Overleaf often hosts these classes. If you’ve ever tried to typeset a professional
Ensure the filename is exactly neptune.cls (all lowercase) and that it is in the same directory as your project file. Error: Missing Packages
Most users looking for neptune.cls are doing so because it is required by a specific university (e.g., for a Master’s or PhD thesis).
Often used for specific university theses or conference proceedings. How to Download Neptune.cls