If I buy ArcGIS Pro, do I need to buy Spatial Analyst and 3D Analyst extensions separately, or do they come free with the package?
[GIS] Unlocking 3D Analyst and Spatial Analyst Tools with ArcGIS Pro
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Best Answer
If you already have ArcGIS Desktop (ArcMap) with those extensions, ArcGIS Pro is licensed to use the same extensions - you won't need to buy the extensions again.
You will need to set up your ArcGIS Pro Extension licenses in the same way as you set up your ArcGIS Pro licenses.
from ArcGIS Pro - Common Questions