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Available on winget

Install Roblox Studio Mod Manager

An open-source custom bootstrapper for Roblox Studio that allows you to override files in Roblox Studio's directory, opt into development branches of Roblox, and experiment with Fast Flags.

Install with winget
winget install --id MaximumADHD.RobloxStudioModManager
Upgrade
winget upgrade --id MaximumADHD.RobloxStudioModManager
Uninstall
winget uninstall --id MaximumADHD.RobloxStudioModManager

About Roblox Studio Mod Manager

The Roblox Studio Mod Manager is an open-source alternative bootstrapper for Roblox Studio. It is intended for power users who want to make experimental changes/tweaks to Roblox Studio without those changes being overwritten, and experiment with new features of Roblox Studio before the general public.

What's new in 2026.03.18

This update fixes a recent regression to the version history feature. Of note, it still no longer extends past the range of supported Roblox Studio versions.

Read release notes

Version history

Version Updated Notes
2026.03.18 Unknown This update fixes a recent regression to the version history feature. Of note, it still no longer extends past the range of supported Roblox Studio versions.
2026.02.10_1 Unknown - Fix a crash when launching Roblox Studio from the website (#244) - (Whoops... this is what I get for not having unit testing 🥴) - Fix the flag editor crashing on startup in the latest build of Roblox Studio (#245) Be s...
2026.02.07 Unknown Changes - Refreshed the logo again. - Fixed a crash when trying to type in the flag editor's search bar too quickly after the window unlocks. - Versions of Roblox Studio no longer supported by Roblox are now unlisted fro...
2025.12.10 Unknown The URI protocol Roblox Studio uses to handle authentication wasn't correctly being sent to where the mod manager was installing RobloxStudioBeta.exe This is fixed now.
2025.12.03 Unknown Roblox (at some point) introduced a versioning scheme for FVariables separate from names. This update attempts to catch and include 99% or more of these when possible. For example, RenderEmissiveMask5 would only show up...
2025.05.01 Unknown Release notes