Try a different USB cable or a different USB port on your computer. Windows 11 is usually good with drivers, but if you are using an older Samsung or OnePlus device, you may need to download the specific OEM USB driver from the manufacturer's website.
Close your terminal and relaunch it to refresh system directories. Method 2: The Manual Setup (Official Archive Extraction)
Press and allow the automatic download script to finish.
Best for a deep dive. It explains what the tools do and provides clear instructions for the manual setup, which is the most reliable method for Windows 11.
To use Fastboot commands: