How to 100% wipe a pc before selling for windows 10 and windows 11

A clean Windows installation is a comprehensive method for wipe a pc before selling for Windows 11 and completely erasing all data. Suitable for Windows 11 systems, it provides the new owner with a completely fresh, clean system, leaving no personal data behind. By reinstalling Windows from scratch, all existing files, settings and accounts are thoroughly removed, making it one of the safest methods for preparing a device for resale.

User Guide：

Step 1: Use a third-party tool in conjunction with the official Windows ISO file to create a bootable installation USB drive.

Step 2: Insert the USB drive, restart your computer, and boot from the installation media.

Step 3: On the setup screen, click ‘Install now’.

Step 4: When prompted to enter a product key, select ‘I don’t have a product key’.

Step 5: Select ‘Custom: Install Windows only’ to access the disk partition menu.

Step 6: Delete all existing partitions on the system drive, then select the newly created unallocated space and click Next.

Step 7: Allow the system to install automatically; depending on the speed of your hard drive, this process may take 30–60 minutes.

This method is ideal for a complete, secure wipe a pc before selling for Windows 11, as it eliminates every trace of your personal data and leaves the device in a factory-fresh state.

Cons

• You will need to prepare a Windows installation USB drive in advance; this process takes some time and requires a compatible USB drive.
• If you accidentally delete a partition, this may result in data loss on other drives or prevent the system from booting.
• Basic technical experience is required, such as knowledge of BIOS boot settings and partition deletion.