1. First, we need to return to the traditional desktop location of the WIN10 system, and then find the PDF file in the WIN10 system, then right-click the PDF file and select the attribute option in the down menu that appears.
2. Next we can see the window shown in the following figure, there will be an open way in the window, let's just click on the Change button behind the open mode.
3. Next comes a "from now on, how would you like to open this. pdf file?" window, which has a reader, that is, the use of Spartan browser directly open the way, if the WIN10 system to install other open PDF file program, there will be other options, we directly according to their own needs to choose.
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