: Ensure you are running a relatively recent version (v7.6 or later).
To download the for Notepad++, the most efficient method is using the built-in Plugins Admin , though manual downloads are available for specific versions like 1.40 through developer repositories. How to Install JSON Viewer via Plugins Admin download json viewer 1.40 plugin for notepad++
The modern way to get the JSON Viewer is through Notepad++ itself, which automatically handles the versioning for your specific build (x64 or x86). : Ensure you are running a relatively recent version (v7