For major cleanup in Windows, spotting file bloat in unexpected/temp places,
SpaceMonger:
https://spacemonger.en.softonic.com/
Rectangles are cool. (approximate) rect area based on nested folder size is cool. Smoothly zoomable regions with the mousewheel is cool. Their grabbing of colors from a simple pastel palette that guarantees that black text is crisply legible is cool. Having individual file details appear as screen real estate allowsm but for large files right away, is cool. Despite being a non-cacheing scanner for each run SM helps you spend time budgeted for cleanup most efficiently as possible.