If your computer has multiple hard drives (for example, a fast SSD for Windows and a large HDD for storage), a clean install usually only affects the drive you select during the setup process.
: All documents, photos, and downloads stored on the primary drive (typically the C: drive).
If you proceed with a clean install, the following will be permanently deleted: does a clean install erase everything
When you perform a "clean install" of an operating system (whether it is Windows, macOS, or Linux), it effectively erases everything on the target drive. This includes your personal files, installed applications, user settings, and drivers.
Mike's unboxing, reviews and how to 1m Show all Method What is Erased? What is Kept? Best For Clean Install (USB/Disk) Everything on the target drive (files, apps, settings) Nothing Selling a device or starting completely fresh Reset (Remove Everything) All personal files, apps, and system settings The OS itself (reinstalled) Fixing major glitches or "nuking" the system Reset (Keep My Files) Installed apps and custom system settings Personal documents, photos, and user data Troubleshooting without losing data In-Place Upgrade/Repair Corrupted system files Everything: Files, apps, and settings Fixing Windows without a full wipe Key Platform Differences Windows 10/11 If your computer has multiple hard drives (for
Report: Does a Clean Install Erase Everything? A is the process of removing the existing operating system and user data from a computer's hard drive and replacing it with a fresh, "out-of-the-box" version of the OS. The Direct Answer: What Is Erased?
The short answer is . A true clean install involves formatting your hard drive, which permanently deletes all files, applications, and settings on that specific drive. What exactly gets deleted? Best For Clean Install (USB/Disk) Everything on the
However, simply knowing "yes" isn't enough to keep your data safe. To understand why a clean install is so thorough—and how to do it without losing your most important memories—you need to understand the mechanics behind it.