How do I open files from a USB stick?

Insert a USB flashdrive into the side of the Clevertouch illustration
1.
Insert a USB flashdrive into the side of the Clevertouch
Go to 'Present' then 'Files' illustration
2.
Go to 'Present' then 'Files'
Choose from USB port 1 or 2 illustration
3.
Choose from USB port 1 or 2
Double-touch on the file you want to open illustration
4.
Double-touch on the file you want to open
Single-touch to select a file to move from USB to Clevertouch storage illustration
5.
Single-touch to select a file to move from USB to Clevertouch storage