Fix Media: x86-64 / GModPatchTool Guide (Windows)

❌ Having issues? Read the FAQ!

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Visual Install Guide:

Step 1

First, close Garry's Mod.

Then open Steam, and right click Garry's Mod from your Library games list. Select Properties from the menu.

Steam > Garry's Mod > Properties

In the Properties window, select "Betas", then click on the Dropdown menu and select "x86-64 - Chromium + 64-bit Binaries"

Steam > Garry's Mod > Properties > Betas

Now you can close the properties window and wait for the update to download. Once it's done, proceed to the next step.

Download the Latest Release of GModPatchTool for Windows.

GModPatchTool Logo GModPatchTool

Extract (unzip) GModPatchTool-Windows.zip, then run gmodpatchtool.exe. You may have to allow the app through Windows SmartScreen.

Click More Info in the SmartScreen dialog Click Run Anyway in the SmartScreen dialog

Proceed to the next step.

GModPatchTool should now patch Garry's Mod. It may take some time depending on your internet connection speed.

GModPatchTool patching GMod

Once it's done, you can launch GMod from Steam.

GModPatchTool applied successfully

Congratulations, you're done! 🎉

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❌ Having issues?

⚙️ Advanced Options

Proceed to the next step if you'd like to see Advanced Options for:

  • Auto-launching GMod after patching

Auto-launching GMod after patching

This enables you to configure GModPatchTool to launch GMod immediately after successfully patching.

  1. Right click on gmodpatchtool.exe and select Create shortcut. This Shortcut can be put anywhere on your PC.
  2. Right click on your new Shortcut and select Properties.
  3. From the Shortcut tab in the Properties window, find the Target text field.

    At the end of the text field, after gmodpatchtool.exe, add a space, then the text --launch-gmod --skip-exit-prompt.

    After you apply this change, using this shortcut will automatically launch GMod.

    GModPatchTool Shortcut with auto-launch