1.
Download Winrar here, its a freeware, this will help you open the file
2.
Download the firmware here, the newest one is 4.13
3. Unzip the firmware file and select "extract to" using winrar, just extract it to the "desktop"
4. After the 2 files are extracted from the folder, select both of them, right-click and select "cut"
5. Now, go to "My Computer", double-click "P2" (that's the MP4 player) and double-click "internal storage", now, in this directory, "Paste" the 2 files you "cut" earlier, once the files have been successfully pasted (look at your PC screen and MP4 player and make sure nothing is transferring), exit the window, unplug the MP4 player and power it on, the player will be updating and turning of a few times, but once its of, turn it back on until the whole process is finished.