1. Step 1: Start by Inserting a Flash drive into your CCTV DVR: Insert the flash drive into the USB port on the front DVR. 2. Step 2: Then, begin Accessing the Main Menu. Use your mouse and right-click, then scroll down to the primary menu and left-click the mouse. 3. Step three: Backing up all the security Evidence. 4. Step four: Begin the process of opening and watching the Files on your PC.