MULTIROBLOXRun multiple Roblox accounts
The core walkthrough for alts you own on one Windows PC.
MultiRoblox guides
How to run multiple Roblox accounts, what Roblox multi instance means, and Windows 11 notes. Start with the accounts guide if you want two windows today.
These pages are split on purpose. Setup is not the same as “how to play both sessions,” and a Windows 11 SmartScreen note is not a definition of multi instance. Pick the guide that matches the problem you actually have.
All guides
Play on two accounts at once
Side-by-side sessions without logging out of your main.
Roblox multi instance
What multi instance means in this context.
Windows 11 notes
Store app, Player, and MultiRoblox on Win 11.
Troubleshooting
Second window missing, teleports, and update breakage.
Low-end PC
Graphics and RAM tricks for two clients.