It supports upgrades by installing right over an existing copy, preserving all settings. Notepad++ Portable is packaged in a Installer so it will automatically detect an existing installation when your drive is plugged in.

Both the 32-bit and 64-bit versions are included for best feature support. Notepad++ Portable is a full-featured text editor with features like: Syntax Highlighting and Syntax Folding, User Defined Syntax Highlighting and Folding, PCRE (Perl Compatible Regular Expression) Search/Replace, customizable GUI with vertical tab and vertical document list, Document Map, Auto-completion: Word completion, Function completion and Function parameters hint, Multi-Document (Tab interface), Multi-View, WYSIWYG (Printing), Zoom in and zoom out, Multi-Language environment supported, Bookmarks, Macro recording and playback, Launch with different arguments, and more. Update automatically or install from the portable app store in the Platform. And it's open source and completely free. It's packaged in Format so it can easily integrate with the Platform. It has all the same great features of Notepad++ including support for multiple languages and an extensive plugin system, but there's nothing to install.

It's the handy Notepad++ text editor packaged as a portable app so you can do your development on the go.

A new version of Notepad++ Portable has been released.

For mac instal Notepad++ 8.5.7