Windows Disk Cleanup Tutorial 2026: Beginner to Advanced Guide!

Learn everything about the Windows Disk Cleanup tool in this complete beginner tutorial 2026. This step‑by‑step guide shows you how to free up space, improve performance, and keep your PC running smoothly.

We’ll cover:
What Exactly disk Cleanup does

Default vs Admin levels of Disk Cleanup

How to access and run Disk Cleanup in Windows 10 & Windows 11

A breakdown of the categories inside the tool

Differences between Disk Cleanup vs Storage Sense and Disk Defragmentation

Best practices for Windows performance optimization

What Disk Cleanup might miss — and how to fix it with other Windows cleanup tools

If you’re looking for a complete guide to Disk Cleanup, this video is your one‑stop resource. Perfect for beginners who want to understand PC maintenance tips and advanced users who want to clean up like a pro.

Timestamps:

0:00 – Introduction
0:34 - What is Windows Disk Cleanup
1:10 – Why is Disk Cleanup Needed & When It needs to be Run
1:52 - How to Access Disk Cleanup in Windows 11 & Windows 10
4:46 –The Two Levels of Disk Cleanup - Default vs Admin Levels
7:17 – How to Decide Which level of Cleanup for what purpose
8:02 – Disk Cleanup Catagories-briefly explained
10:30 – How Often should Disk Cleanup be run
10:43 - Disk Cleanup vs Storage Sense
11:05 - Disk Cleanup vs Disk Defragmentation
12:15 - Disk Cleanup Disk gain - Promised vs Actual gain
13:11 – Files/Folders Easily Missed by Disk Cleanup tool & What to do with them
13:45 - Best Practices & Tips When using Disk Cleanup
15:20 – Wrap‑Up & Final Remarks

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