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  1. Open Half-Life: Alyx iconHalf-Life: Alyx in your Steam Library.
  2. Scroll down to the DLC section. (Or Right-Click -> Properties -> DLC)
  3. Locate the entry labeled Workshop Tools and install it.

Half-Life: Alyx Game DLC Options UI

Launching the Workshop Tools

After installation, the tools can be accessed through the Addon Launcher. To open it:

  1. Launch Half-Life: Alyx iconHalf-Life: Alyx from Steam.
  2. In the startup menu, select Tools.
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The Addon Launcher can also be started directly from the installation directory:
game/bin/win64/hlvrcfg.exe

Half-Life: Alyx Game Launch Options

To launch the Workshop tools:

  • Create a new Addon.
    Half-Life: Alyx Workshop Tools Addon UI
    Select Create New Addon, Name, Create
  • Open the Workshop Tools by launching your Addon via Launch Tools.
    Select Launch Addon