How to open ProBuilder in Unity 6

Open ProBuilder through the Window menu at the top of the Unity editor. Click Window, then scroll down to 3D Object Creation, then select ProBuilder. The ProBuilder window will appear as a dockable panel, usually on the right side of your screen next to the Inspector.

If you do not see ProBuilder in the Window menu, you may need to install it first. Go to Window > TextMesh Pro > Import TMP Essential Resources is not the right path — instead, open the Package Manager (also under Window), search for "ProBuilder" in the list of packages, and click Install. Once installed, the Window menu path above will work.

ProBuilder is built into Unity 6, so you should not need to read anything from outside the editor. If the Package Manager shows ProBuilder as already installed but the Window menu does not show it, try closing and reopening Unity.

Key Takeaways

  • ProBuilder opens from Window > 3D Object Creation > ProBuilder in the top menu bar.
  • If ProBuilder does not appear in the Window menu, install it through the Package Manager under Window > Package Manager.
  • The ProBuilder panel docks to your editor layout like any other window and can be moved or resized.
  • You can create and edit 3D geometry directly in the editor once the window is open and a scene is active.

Where the ProBuilder window appears on your screen

By default, ProBuilder docks on the right side of the editor next to the Inspector panel. You can drag the ProBuilder tab to move it to a different location — drag the tab itself (where it says "ProBuilder") to another edge of the editor, or drag it into a floating window by dragging it away from the editor entirely.

If you accidentally close the ProBuilder window, you do not need to reinstall anything. straightforward go back to Window > 3D Object Creation > ProBuilder to reopen it. Your ProBuilder settings and preferences remain saved.

What to do if ProBuilder does not show up in the Window menu

The most common reason ProBuilder does not appear is that it has not been installed in your project. Open the Package Manager by clicking Window > Package Manager. In the top left of the Package Manager window, make sure the dropdown shows Unity Registry (not "My Assets" or "In Project"). Then type "ProBuilder" in the search box.

Click on ProBuilder in the list, and you will see an Install button on the right side. Click it. Installation usually takes less than a minute. After it finishes, close the Package Manager and try the Window > 3D Object Creation > ProBuilder path again.

If you see ProBuilder in the Package Manager but it says Remove instead of Install, it is already installed. In that case, restart Unity completely — close the editor and open your project again. The menu path should work after restart.

Opening ProBuilder in an existing scene versus a new one

ProBuilder works the same way whether you are in a new scene or an existing one. Open the window first using Window > 3D Object Creation > ProBuilder, then create or edit objects. You can use ProBuilder to add geometry to a scene that already has other assets, or start fresh in a blank scene.

If you have a scene open but ProBuilder appears grayed out or inactive, make sure the scene view is active by clicking anywhere in the 3D viewport. ProBuilder needs an active scene to work with.

Docking and resizing the ProBuilder panel

The ProBuilder window behaves like any other dockable panel in Unity. To resize it, hover your mouse over the edge of the panel until the cursor changes to a resize arrow, then drag. To move it to a different location, drag the "ProBuilder" tab itself — not the content inside it.

You can also create a separate floating window by dragging the ProBuilder tab completely away from the editor. This is useful if you have a second monitor and want ProBuilder on one screen while your scene view is on another. To dock it back, drag the tab back toward the main editor window until you see a blue highlight showing where it will dock.

Keyboard shortcut to toggle ProBuilder visibility

Unity does not have a built-in keyboard shortcut to open ProBuilder by default, but you can create one. Go to Edit > Preferences (on Mac: Unity > Preferences), then click Shortcuts on the left. Search for "ProBuilder" in the search box. You will see options like "ProBuilder: Toggle ProBuilder Window". Click on it and assign a key combination you want to use.

Once you set a shortcut, you can press that key combination anytime to show or hide the ProBuilder window. This is faster than using the menu if you switch between ProBuilder and other tools frequently.

Frequently Asked Questions

Why does ProBuilder appear grayed out or inactive?

ProBuilder needs an active scene to work. Click in the 3D viewport to make sure the scene view is selected, then try using ProBuilder again. If it is still grayed out, make sure you have actually opened a scene file — a blank project with no scene will not let ProBuilder function.

Can I have ProBuilder open in multiple windows at once?

No, ProBuilder only opens once per editor instance. However, you can resize and position the single window however you want, or move it to a second monitor if you have one. You can also close it and reopen it quickly using the Window menu or a keyboard shortcut.

Does ProBuilder work the same way in Unity 6 as in older versions?

The basic workflow is the same, but some tools and options may have changed. If you learned ProBuilder in an older version, the Window menu path and core features will be familiar. Check the ProBuilder documentation in the Help menu if you notice tools behaving differently than expected.

What if I installed ProBuilder but still cannot find it in the Window menu?

Restart Unity completely. Close the editor and reopen your project. Sometimes the menu does not refresh when ready after installation. If it still does not appear after restart, open the Package Manager again and verify that ProBuilder shows a Remove button (meaning it is installed) rather than an Install button.