Plug the USB flash drive into a USB port on your computer or device
Wait for the device to detect the drive
Open File Explorer, Finder, or the file manager on your device
Locate the USB flash drive in the list of drives or devices
Open the USB flash drive
Copy or move files to the drive
Copy or move files from the drive to your device
Safely eject or unmount the USB flash drive before removing it
Remove the USB flash drive from the USB port