Hi Nick,
Thank you for contacting Syncfusion support.
Could you please provide us the below mentioned details?
1. Name of Syncfusion assemblies used in your application
2. Old Syncfusion version which you are using at present
3. New Syncfusion version which you like to update now
So that we can understand your usage scenario and suggest you the appropriate installer.
Please let us know if you have any other questions.
Thanks,
Sethumanikkam.Y