How to install Windows 10 from a USB drive
The steps match Windows 11, with lighter hardware needs.
Step 1: save your files
A clean install erases the system disk.
Step 2: create the drive
Download the Media Creation Tool for Windows 10 from Microsoft. You need a USB drive of 8 GB or more.
Step 3: boot from USB
Use the boot menu key for your PC.
Step 4: install
Choose Custom, select the disk and continue.
Step 5: first setup
Create the account and connect to the network.
Step 6: activate
Enter the key in Settings.
Is the Microsoft download free?
Yes. You pay only for the licence.