Perform a clean Windows 10 installation
1 Assuming you’re installing Windows 10 from a USB flash drive created using the Media Creation Tool, you’ll need to insert the drive into a spare port and boot from it. The setup screen will load. Select the language, time and currency format, and keyboard or other input method. 1 Click Next. 2
2 Click the Install Now button. If you have a product key, enter it. If you don’t, but your PC was running an activated version of Windows, you can select ‘I don’t have a product key’. Select your version of Windows and agree to the licence terms. Click the option ‘Custom: Install Windows only (advanced)’. 1
3 If Windows is installed, select the partition it’s on and click Delete. 1 Select the empty drive (Drive 0 Unallocated Space) 2 and click Next. 3 This step is the same even if you have a blank drive. The installer will wipe the drive and perform a clean installation. You can now get Windows set up how you want it.