You can choose it according to your needs.
#Utube windows 7 how to install windows 7 without disk upgrade
If you want to upgrade or reinstall the Windows system on your PC, you can create a Windows bootable USB flash drive as a Windows installation media. Remove Windows installation media via powerful partition managerįurther reading: How to remove Windows.old foler after installing Delete Windows installation media with Disk Management
How to remove Windows installation media in Windows 7, 8, 10?