No matter how much we wish it weren’t so, all PCs have limited amounts of storage space on them. This means that the user will eventually run out of space, and they will have to find a way to resolve this issue as soon as possible so as to avoid unsaved work. Plus, your performance will take a hit, so it’s best to look for a way to resolve this issue. Thankfully, a free tool like WinDirStat can help you free up space by identifying where all of your free space is being taken up, and how you can make some wiggle room with your PC’s largest files.