I am new with Online/WebGIS concept from ESRI and mostly worked on ArcMap 10.3 until now. We have recently created a WebGIS for one of our clients with a lot of vector layers which is pretty big data.
The client has recently asked for an offline version of the whole data in WebGIS including all the layers and their Attributes in Windows System and just as read-only usage.
The Client does not have ArcGIS in house and they just saw our delivery in our office. I search a bit in this regard and found "ArcGIS Explorer" related but I am not if that is the best approach.
As the client has no ArcGIS software, which approach in your opinion would be helpful to do this task?