Down load the folder named G360HD2K player for windows.zip in down loads folder or on the desktop. You require a unzip program to extract the zip files. If you don't have it, please search on the internet. Double click on the zip file and extract the XDV360_2016727 folder in to your desktop. Double click on the folder you extract on your desktop, this will open up,you will find 3 folders spatialmedia, XDV360_Data and 2016-06-23_172748 you do not need to touch these 3 folders,they are part of the XDV360 viewer if you delete them the program will not work. Double click only on the XDV360 to start up the viewer. Remove the SD card from device after you have recored a footage, insert onto a card reader and into the USB of the computer. In your viewer on top left corner there is a folder, click on it and chose you choose the drive of the USB,make sure you clik on the arrow poiting on the drive,this will open the the folders please choose video folder to view the footage or choose the photo folder to view the photos. Once you have chosen the folder this will bring up all the footage/photo that you have chosen,click on one footge this will play automaticly. We have tried numerous free players on the net and they work well. The viewer i like the best is PIXPRO SP360 4K editing software, it's also free.