1, first we right-click the computer screen in the lower left-hand corner of the win icon, and then in the pop-up options click the Control Panel button.
2, then will pop up a dialog box, this time will go to the Control Panel, we click on the Panel "program" button.
3, click and then go to the picture as shown, at this time we click on the dialog box, "Set the default Program" button.
4, and then will enter into as shown, at this time we find the program to be set to open the picture, locate and click the program.
5, click on the right side will appear as shown in the picture, at this point I click the "set this program as Default" button, select the next click the "OK" button.
6, click the OK button to return to the Diagram dialog box, at this time we can go to open a picture at random, we will find that the way the image is opened to the way we have just set up.
By setting the steps above, we can choose the image we want to open under the win8.1 system.