Windows: Most computer geeks know about WinDirStat, an incredibly useful utility that shows which folders and files are taking up so much room on your drive. It’s a must-have app, because you’ll be surprised—heck, I’ve been surprised—how many times you might find some random, triple-buried folder on your desktop that’s using an unseemly amount of space.
https://lifehacker.com/find-out-whats-taking-up-space-on-your-windows-computer-1826717296
* WinDirStat * Wiztree * david.murphy@lifehacker.com