If you want to upgrade or perform a clean install without external media, you can download the Windows disk image (ISO) from the Official Microsoft Website.
Installing or reinstalling Windows without a USB flash drive or external media is entirely possible if you already have a working operating system. Method 1: The "Reset This PC" Feature
How to Install Windows 10 without USB Pen drive or DVD (Easy) install windows without usb
This is for IT professionals: Boot over Ethernet using a Windows Deployment Server (WDS) or a third-party PXE server. Not recommended for average home users.
: A "clean" reinstall that wipes all personal files and apps. If you want to upgrade or perform a
Alternatively, you can also use:
: Follow the prompts and click Reset . Your PC will restart several times during the process. Method 2: Installing Directly from an ISO File Not recommended for average home users
: Uses existing files on your hard drive to rebuild the OS.
: Go to Update & Security (Windows 10) or System > Recovery (Windows 11). Start Reset : Click Get started or Reset PC . Choose Your Type :
: Open the virtual drive and double-click setup.exe .