Step 1:Download then create a bootable copy How to download official Windows 10 ISO files
Step 2: Configure your BIOS to boot from the install media: https://www.groovypost.com/howto/bios-uefi-setup-guide-boot-from-cd-dvd-usb-drive-sd-card/
If you want to download a particular edition or both architectures, uncheck the Use the recommended option for this PC.
Click in the Edition list box, choose your edition then click Next.
- Windows 10 - contains Windows 10 Home and Windows 10 Pro.
- Windows 10 Home Single Language - only select this edition if you are running Windows 10 Single Language, Windows 8 Single Language or Windows 8.1 with Bing.
- Windows 10 N - only select this edition if you reside in Europe, it does not contain Windows Media Player. It contains Windows 10 Home N, Windows 10 Pro N.
Please read the following: Fix Windows 10 Media Creation Tool from Defaulting to Home Instead of Pro