you can, provided you own an XBOX. i believe it require to activate and register it to your Xbox Live/Microsoft account so it appears on both device.

https://www.xbox.com/en-SG/games/xbox-play-anywhere

The game is an Xbox Play Anywhere title, meaning when you buy the game on Xbox or PC, you get the other version automatically. However, you need to be logged in to the same Xbox or Live account to be able to download it. Meaning, your Windows store ID and Xbox ID needs to be the same.

Of course you can. But if you're already using Windows 10, you should already have a Live.com or Hotmail ID. In case you don't, you can just register a new account from Live.com or Xbox.com. It will be sharing the same login. In fact, if you go to Xbox.com and try to create a new account, you will simply be redirected to login.live.com.

Once you already have your account, just go to the Windows 10 store and sign in using the account that you just created. You can now buy Xbox Play Anywhere titles from the store. Most of the recent Microsoft published games are Xbox Play Anywhere titles, like Cuphead, Forza Horizon 3, Recore, and Forza Motorsport 7 to name a few. All these games include the Xbox and Windows 10 versions. And they even synchronize game saves across platforms.

For example, I play Cuphead mainly on my PC. But when I want to play co-op with a friend on Xbox, I just start my Xbox, and my game progress will just carry over from my last session on PC.

It's USD99 for the ultimate edition. Although RM388 is expensive, it's still slightly cheaper than paying in USD.