Published May 8, 2026, 6:00 PM EDT Afam's experience in tech publishing dates back to 2018, when he worked for Make Tech Easier. Over the years, he has built a reputation for publishing high-quality guides, reviews, tips, and explainer articles, covering Windows, Linux, and open source tools. His work has been featured on top websites, including Technical Ustad, Windows Report, Guiding Tech, Alphr, and Next of Windows. He holds a first degree in Computer Science and is a strong advocate for data privacy and security, with several tips, videos, and tutorials on the subject published on the Fuzo Tech YouTube channel. When he is not working, he loves to spend time with his family, cycling, or tending to his garden.  After using your Windows computer for a year, you may be surprised to learn that there is a file hidden deep within the system drive that has been filling up from the very day you installed Windows. You don't see it in Windows' storage breakdown , and clean-up tools don't flag it.…