For clean installation of Windows 10 follow the steps below:

Get theMedia Creation Tool and create a bootable USB that has at least 8GB.

Restart, select USB as the boot priority, then enter BIOS (F2/F12/Delete).

After choosing "Custom Installation" and deleting any outdated partitions, click "Install Now" to begin the Windows installation process.

Create a user account, update drivers, and follow the setup instructions to get Windows up and running.