Choose between a Windows 10 installation CD and a USB drive to suit your needs.
Choose between a Windows 10 installation CD and a USB drive to suit your needs.
The main variation lies in performance. A USB drive, even using a USB2.0 connection, installs significantly quicker than a CD. You can set up an OEM or store-brand Windows version through USB, but the key difference is the ability to reinstall the license.
Windows installers stopped using CDs after XP. The Win7 installer is 3.5GB, which matches the DVD size.