How do you permanently set default install path?

I'm tired of being asked every time I install an app where to install to internal, external or let the system decide. How can I permanently assign this so I don't get asked in future?

path for windows phone

Hi, i'm using Lumia 1020 and lately found that path app for windows phone unable to share to facebook account.

My OS version is windows 8.1 Denim.
Anybody know workaround for this?