Find and Replace finds and replaces text in names of components, bodies, sketches, part numbers, joints or timeline objects. This add-in allows you to specify text to find and replace. It has options to include components, bodies, sketches, part numbers, joints, timeline objects, hidden entities, and match case.

Steps:

1. Press the "Find and Replace" button in the "Add-Ins" panel.
2. Enter text to find and replace. 
3. Specify components, bodies, sketches, part numbers, joints or timeline objects.
4. Check the "Include Hidden" checkbox to replace the text in names of hidden entities.
5. Check the "Match Case" checkbox to replace the text with the same case.
6. Check the "Preview" checkbox to preview the names.
7. Press the "OK" button.

Help online: https://maciejrogowski.com/find-and-replace-help/

Install:
1. Download the installer from Autodesk Design and Make Marketplace.
2. Right-click on the "Downloads" folder and select "Open in Finder".
3. Right-click on the "FindandReplace.bundle-macos.pkg" -> "Open With" -> "Installer". 

Uninstall:
You can unload the add-in without uninstalling it by clicking the "Stop" button when the add-in is selected in the list box on the "Add-Ins" tab of the "Scripts and Add-Ins" dialog.
Unchecking "Run on Startup" causes the add-in not to be loaded in future sessions of Autodesk® Fusion™.
- Navigate to ./ApplicationsPlugins folder and select the app bundle you want to uninstall.
- Either drag the app bundle to the Trash or right-click and select "Move to Trash".
- Right-click on the Trash-Can and select "Empty Trash".
- If you prefer keystrokes, you can also just select the app bundle and then hit Command+Delete to move the app to Trash, then empty the Trash and the app will be removed.