You cant update it yourself since its a huge update with new sprites, dungeons, items, etc. Also its not up on his website (realmstock) because it will take him time to update the client, last time it took a week, but usually it should be out within 24h.
And lastly
>Imagine playing rotmg on an i9 geforce 2070 gtx
Nah, I play on a second generation i3, meaning without the hideally hidepetes, extremely low cpu setting, etc i wont be able to play this shit game the official way, and you really do need a quantum computer to play vanilla without lagging out and being sent straight to lumbridge...
So yeah patience young padawan...