MSManivannan Sundararajan Syncfusion Team July 6, 2017 07:15 AM UTC
Thanks for contacting Syncfusion support.
Syncfusion Essential Studio installation doesn’t require internet connection other than login option. If you are using login option, internet connection is required only for unlocking the Syncfusion setup. Once the setup is unlocked using your login validation, then you can continue the installation without internet connection.
If you are unlocking the Syncfusion setup using Unlock key, no internet connection is required and you can install in offline.
You can download the platforms setup you need in 2017 Vol 2 SP2 v126.96.36.199 from the following link.