iCloud on a PC downloads your photo library unless you stop it
Apple's Windows client keeps local copies the same way OneDrive does, with different defaults and a worse reputation for saying so.
582 guides
Mac storage, explained.
What fills your disk, where it hides, and what is safe to remove. Every guide gives you a way to check it on your own Mac.
A media server stores artwork and thumbnails for everything, including deleted films
Metadata grows with every item scanned and does not shrink when the media does. Where it lives on a PC and what is safe.
node_modules on Windows is worse than on a Mac, and the reason is paths
The same folders, plus a path length limit that breaks tools. How to find them all and the setting that stops the errors.
npm's cache lives in Roaming on Windows, and only grows
Where npm, yarn and pnpm keep their caches on a PC, what each command actually clears, and which one is not a cache at all.
Several Pythons, a pip cache and a virtual environment per project
Windows installs Python in three different ways and each leaves its own folders. Where they are and what is safe to remove.
Every JDK you installed is still there, and they are 300 MB each
Java installs do not replace each other and several vendors ship their own. How to see what is on the machine and remove the rest.
Android Studio is small, and the SDK beside it is not
The IDE, the SDK, system images and emulator data across four folders. What each costs and which are safe.
Unreal's derived data cache is bigger than the engine
Engine installs, DDC and per project intermediates. The three folders that make Unreal the largest thing on a PC.
Unity keeps an editor per version and a Library per project
Editors, the asset cache and per project Library folders. What is derived and what is the project.
Docker's disk on Windows is a WSL virtual disk that only grows
Images, volumes and build cache inside a vhdx that never shrinks by itself. The prune order and the compaction step.
A git repository can be larger than the code, and slower on Windows
History, packfiles and LFS caches, plus the Windows specific reasons a repository feels slow. How to find and shrink the heavy ones.
Editors keep a cache per workspace and an index per IDE version
Extensions, workspace state and indexes across both families of editor. What is safe and what holds your configuration.