When comparing Windows 8.1 vs Fire OS, the Slant community recommends Fire OS for most people. In the question“What are the best operating systems for a Home Theatre PC?” Fire OS is ranked 16th while Windows 8.1 is ranked 18th. The most important reason people chose Fire OS is:
Since it is based on Android you can sideload any Android app.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Hardware Compatibility
Windows has excellent x86-based compatibility, and has recently announced ARM compatibility as well.
Pro Familiar Windows Interface
As opposed to unfamiliar and purpose-built Linux distros, Windows still reigns supreme for sheer usability and ease of use.
Pro Customizable UI
There are many that can be used to customize the MetroTile screen and add custom tiles. Then, by adding custom tiles you can configure them to open any application or web page that you need. For example: Netflix, HBOGo or Steam.
Pro Sideloading
Since it is based on Android you can sideload any Android app.
Pro Cheap devices
Amazon FireTV devices are cheap and have often a discount.
Cons
Con Expensive
You will need to purchase a Windows license.
Con Resource Intensive
In contrast to many dedicated solutions which can run on nearly anything, running a full Windows install requires decent hardware. This is not a lightweight solution.
Con Ads
There are plenty of ads for Amazon Prime or products.
Con Amazon account
Needs an Amazon account.
Con Focuses on Amazon content
The main purpose of the stick is to provide a portal to Amazon's various online services.
Con Proprietary
The UI is proprietary software.