The categories’ size may drastically change. Tip: Give your Mac about a minute to calculate the real System size. Select Apple Menu > About This Mac > Storage. Just in case you need a quick reminder, here's how you can check your storage. Let's dive straight in and uncover the system storage mysteries. For any Mac owner who is running low on space, the first thing we do is check our storage availability.īut have you ever wondered why is 'System' using so much disk space? And what exactly is meant by 'System' so can reclaim the space?
