Download the addon: Download the RBC Addon .zip file from Superhive (formerly Blender Market) or Gumroad. Don't unzip it; Blender installs the .zip directly.
Open Blender Preferences:
- Go to Edit > Preferences in the top menu
Navigate to Add-ons: Click on the Add-ons tab in the Preferences window
Install the addon:
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Blender 4.2 and newer: click the drop-down arrow (⌄) in the top-right corner of the Add-ons tab and choose "Install from Disk…"
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Blender 4.1 and older: click the "Install…" button at the top of the Preferences window
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Browse to your downloaded .zip file, select it and confirm the install
Enable the addon:
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Find the newly installed addon using the search bar
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Check the box next to "RBC Addon Pro" to enable it Note: When updating to a new version, disable the addon, install the new .zip, then enable it again. Restarting Blender is the most reliable way to refresh.
Note: When upgrading from RBC Free to RBC Pro, disable (or remove) RBC Free first and restart Blender. Both versions use the same internal names, so they can't be enabled at the same time.
Save Preferences: Blender saves preferences automatically by default. If Auto-Save Preferences is turned off, open the ☰ menu at the bottom-left of the Preferences window and click "Save Preferences" so the addon stays enabled when you restart Blender.
Set a Custom Preset Directory (recommended): Expand "RBC Addon Pro" in the Add-ons list and set Custom Preset Directory to a folder of your choice. RBC stores your rig, tuning and engine presets in an "RBC Presets.blend" file in that folder (an empty folder is filled with the default presets). If an RBC panel shows "Choose Preset Directory", set this folder to load the presets.
Open RBC: In the 3D Viewport press N to open the Sidebar and click the RBC tab.