I don't know how to capture switch gameplay :/. I know that you need a "cAPtURe cARd" but I don't wanna get one. Anyone know any tips?

Roblox Creator Challenge

(this isn't my speedrun)

https://web.roblox.com/games/606849621/MUSEUM-Jailbreak#!/game-instances

https://gaming.youtube.com/watch?v=P1DqnXJdywE (skip to the end)