alto astro FAQ says below, windows does not work.
in general, mobile devices work, no problem.
pc/laptop windows - dun work.
generic android boxes - some work, some don't, depends on firmware.
androidtv boxes, some work, some don't.
androidtv tv - works.
so, choose a proven device to use!
Generally, Astro Go Read supports all devices and OS systems. However, Astro Go Read is optimized for the below devices in particular.
iOS – Most iPhones and iPads on iOS 8.0 or later.
Android - Most Android powered smartphones, phablets and tablets. Requires Android 4.0 or later.
Web: Any laptop/desktop running the latest versions of Chrome, Safari & Firefox.
PC/Notebook/Mac/Macbook – Accessible from latest versions of web browsers such as Chrome, Firefox, and Safari.