Thinking about installing a PC cleaner? Windows 11 already includes powerful built-in tools like Storage Sense, Disk Cleanup, Task Manager, and Microsoft Defender that can improve performance, free up storage space, and keep your computer secure.

Microsoft confirms that Windows 11’s built‑in Defender is enough for most users. Here’s when you do and don’t need extra antivirus — plus local insight from a Sherwood Park PC technician.