Im trying to put it on my sons notebook?

To give you any useful advice, I'm going to need to know more about your computer and browser:

https://forums.adobe.com/thread/1195540

Hello,

Are you looking for Adobe Flash Player for Android? Unfortunately, Flash Player is no longer supported on Android. However, you can try the steps mentioned in How do I manually install Flash Player on my Android device? and see if it helps you.

Thanks,

Adobe Acrobat Team