Software (freeware) I use for local development of WordPress website themes in Windows 10:
Sublime Text and Kdiff3 are also useful tools for comparison and editing of code.
A handy guide to WAMP setup for a WordPress local development environment:
https://wpastra.com/guides-and-tutorials/install-wordpress-on-wamp
(visual c++ needs to be installed).
I also install node.js for code compilation (SASS to CSS)