Insert the USB flash drive into the USB connector, which is located either on the front of the computer or on its rear panel.
Open the flash drive. Locate the desired file. Click the right mouse button on the file. In the drop-down menu, select "copy".
On the desktop of your computer click the right mouse button. Select "paste". The file will be copied to your computer.
Then remove from the USB port this and insert another flash driveon which to save your file.
Go to the desktop. Locate the copied file. Click right mouse button. In the drop down menu select "send to" and select the drivewhere you want to copy. The copy process starts.
Go to the flash drive and check whether the files you need on it. If you did everything correctly, the files will be copied to the flash drive.