1, you can reduce the picture size with the help of software to achieve the purpose of reducing memory. For example, use 2345 Picture King to open the picture, and then select the menu key to select the modified picture size, or press CRL+E of the keyboard at the same time; Pop up the dialog box for modifying the size, enter the pixel size of the picture you want to set, suggest locking the scale, and save it after reducing it to the required size;

2. Use the drawing tool that comes with Windows system, the home page in the upper left corner, select the resize option, click the pixel, and finally click OK.