Well, first of all, major digital game stores are a good start. As I mentioned, Steam is a great option. Another place could be GOG.com. If it's a more niche or indie - developed visual novel, it might also be available on itch.io. Additionally, keep an eye on any official announcements from the 'Avatar: The Last Airbender' franchise itself. They might provide information on where to find their official visual novel, whether it's on a specific platform or through their own website.
To find the 'Avatar The Last Airbender Visual Novel', you should search on well - known gaming platforms. Steam is one of the most popular platforms for visual novels, so it's very likely to be there. You can also look for it on console - specific digital stores if it has been released for consoles. Another option is to follow fan communities dedicated to 'Avatar: The Last Airbender'. These communities often share information about new releases and where to find related media. Social media platforms can also be useful in this regard. Follow official accounts related to the franchise or the visual novel specifically, as they may announce release information and where to obtain it.
You can try checking on official gaming platforms like Steam. They often have a wide range of visual novels available. Sometimes, the official website of the developers or publishers might also be a good place to look for it.