Old question are about 32 bit. And they are working on 32 bit.
But in 64bit notepad++ there are much less working addons, so the most fastest solution: open simple notepad, press F5 and copy date-time from there.
Is there any option to add date-time without leaving the notepad++?
Best Answer
A 64-bit plug-in from Don Ho includes inserting date/time into Notepad++. It also provides an easy mechanism for creating your own Notepad++ plug-ins. Notepad++ PlugInDemo v3.1