This seems a solid release... built on the recent 5.6.0 release of HTML Tidy...
It is presented in multiple flavors - 32-bit and 64-bit, built by MSVC14 and MSVC10, dynamic -md, and static -mt runtimes...
Choose according to the bitness of the notepad++ you have installed, and what MSVC runtimes you have, or want to install, 10 or 14... or -mt if none...
SHA256 hashes are provided to check the zip download, and the appropriate HTML Tidy quickref.html is included...
Enjoy...