Mi Box S has a built-in Google Play that can download APP directly.
1. Install the "
Downloader" in Google Play.
First of all, back to the home of Mi Box S, then click "Apps" to "Get more apps". (Be sure to log in to a Google account before entering Google Play.)
2. Type "downloader" in the search bar, and then install it in your Mi Box S.
Follow the above steps, you can solve the problem of how to install Downloader in Mi Box S. With Downloader, you can sideload
3th party apps on Mi Box S.