Softimage SDK Programmer's Guide > Customizing Softimage using the SDK > Building and Deploying Customizations > Add-on Packages >

# Installing and Uninstalling Add-ons

The easiest way to install (and uninstall) an add-on is to use the Plug-in Manager.

## To install an .xsiaddon

1. In the Plug-in Tree, right-click User Root or the first workgroup in the tree, and choose Install .xsiaddon.

   If you want to install the add-on in a different workgroup, go to the Workgroup tab and move that workgroup to the top of the list. You can install add-ons only in the first workgroup.

2. In the Select Add-on File dialog, locate the .xsiaddon file you want to install, and click OK.

Note

You can also install an add-on by dragging an .xsiaddon file to a Softimage viewport. This installs the add-on in the User location or the first workgroup, depending on the value in the DefaultDestination tag of the .xsiaddon.

## To uninstall an .xsiaddon

- In the Plug-in Tree, right-click an add-on and choose Uninstall Addon.