Currently you can use it on most Window versions: Windows XP SP3, Windows 7, Windows 8/8.1 and Windows 10. Step 1: Download Bluestacks for your Windows PC.
How to play Clash Royale PC with Bluestacks Emulator I will take this down and write a new post once I have found any better software to play Clash Royale for PC. I recommend this software on Clash.World because it is much better than other ones.