Installation
Go to Edit -> Preferences.
Select the Add-ons tab on the left if it is not already.
Select the Install… button along the top.
This will open a file dialog. Navigate to where you have downloaded the flowify.zip file.
Warning
This flowify.zip file should not be unzipped.
Then, click the Install add-on from file button.
Search for the add-on by typing Flowify in the search box if it does not already appear.
Make sure the checkbox next to the Add-on (Mesh: Flowify) is ticked:
Upgrading
In Blender, Go to Edit -> Preferences.
Find the Flowify add-on entry, expand the entry and click the Remove button. This wil remove the old version of the add-on.
Restart Blender.
Install the new version using the instructions above.
Then restart Blender.
If you have any issues do not hesitate to get in touch via info@configurate.net.