I've gone caveman/hobbiest and I'm no longer paying for a digital certificate annually. You'll just have to trust me. Sorry. When downloading, you may need to:
Tell your browser to unblock the file because it is "uncommon" (not a commonly downloaded file).
or...
It may tell you "suspicious file blocked", you'll need to respond to keep the download.
This package installs the program for all versions from 2019-2025.
Unblock downloaded zip file if it's been blocked by windows
2. Extract the contents of the zip file
3. Move the your extracted folder to: C:\ProgramData\Autodesk\ApplicationPlugins
You may not see the ProgramData folder on your computer because it can be hidden. You can copy and paste the path above into File Explorer to get there.
4. The folders should look like this:
5. Start Revit. The CADdaddy Tools will be in the Add-Ins tab.