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roblox-player:// Protocol Handler

The Windows registry URI scheme that connects the green Play button on roblox.com to your installed launcher.

Glossary • Updated 17 October 2026 • 1 min read

Download for Windows

Bloxstrap requires the Microsoft .NET 6 Desktop Runtime to be installed

Frequently asked questions • Release notes

Windows notification from Bloxstrap showing the location of the connected Roblox server
Server location hints show where the server you joined is hosted.

What roblox-player:// Protocol Handler means in Bloxstrap

The Windows registry URI scheme that connects the green Play button on roblox.com to your installed launcher.

During installation, Bloxstrap registers itself as the handler for `roblox-player:` and `roblox:` links so launching from any browser invokes Bloxstrap automatically.

Where you encounter this in the app

Bloxstrap wraps low-level Roblox configuration files, log watchers, and registry handlers into a clean WPF settings menu so you rarely need to edit raw files by hand.

Download the latest Windows installer at /download or browse the Engine and Setup hubs for step-by-step guides.

Frequently asked questions

What is roblox-player:// Protocol Handler?

The Windows registry URI scheme that connects the green Play button on roblox.com to your installed launcher. During installation, Bloxstrap registers itself as the handler for `roblox-player:` and `roblox:` links so launching from any browser invokes Bloxstrap automatically.

Does this modify the Roblox game executable?

No. Bloxstrap only interacts with official configuration files, asset directories, and log files on disk.

Get more out of Roblox

Bloxstrap is an alternative launcher for Roblox with extra features and mods.

Download for Windows

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