This game tells you when you join, whether Roblox supports IPv6 or not.
This doesn't mean that it can test wether everything on Roblox supports it or even that you are connected to the server using it. It tries to check if when HTTPService is used, which is a service that allows devs to communicate with outside sources, if that can communicate in the IPv6 internet by checking if it has an IPv6 address. You can use browser extensions and DNS lookups to check whether a certain area of Roblox has IPv6 enabled or not, currently, as of writing this, it doesn't anywhere.
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1
Click RobloxPlayer.exe to run the Roblox installer, which just downloaded via your web browser.
2
Click Run when prompted by your computer to begin the installation process.
3
Click Ok once you've successfully installed Roblox.
4
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