Insert a USB flash drive with at least 8 GB of free space
Back up any important files on the USB drive
Download the ISO file for the operating system you want to install
Download and install Rufus on your Windows 10 PC
Open Rufus
Select your USB drive under Device
Click Select and choose the ISO file
Choose the correct Partition scheme
Choose the correct Target system
Leave File system and Cluster size at the default settings unless needed otherwise
Click Start
Confirm any prompts to erase the USB drive
Wait for Rufus to finish creating the bootable USB
Safely eject the USB drive
Restart the computer and boot from the USB drive