Merge pull request #1681 from Esri/jtroe/docs

API reference now hosted on developers.arcgis.com

Author: achapkowski

README.md

@@ -8,13 +8,14 @@ This SDK repository contains the following items:
 * API Reference Documentation. A hosted version of this can be found [here](https://developers.arcgis.com/python/api-reference/).
 * Samples as Jupyter Notebooks.
 * Guides chapters as Jupyter Notebooks.
+* API Reference Documentation can be found [here](https://developers.arcgis.com/python/api-reference/).  Downloads are available for current and previous versions [here](https://developers.arcgis.com/downloads/#python).
 
 You have multiple ways of executing these notebooks as listed below:
 
- - Execute locally on your computer by installing anaconda and the API. See help [here](https://developers.arcgis.com/python/guide/install-and-set-up/#Installation-using-Anaconda-for-Python-Distribution)
- - Execute with ArcGIS Pro. See help [here](https://developers.arcgis.com/python/guide/install-and-set-up/#Installation-for-ArcGIS-Pro-2.5.x-and-later)
+ - Execute locally on your computer by installing anaconda and the API. See _Install and set up_ help [Package managers](https://developers.arcgis.com/python/guide/anaconda/)
+ - Execute with ArcGIS Pro. See the _Install and set up_ [ArcGIS Pro](https://developers.arcgis.com/python/guide/arcgis-pro/) topic. For additional details, see [Notebooks in ArcGIS Pro](https://pro.arcgis.com/en/pro-app/latest/arcpy/get-started/pro-notebooks.htm).
  - Execute with ArcGIS Notebooks, hosted on ArcGIS Online. Checkout [this group](https://www.arcgis.com/home/group.html?id=2464da88f55e45d89aedcae843167f51#overview) with sample notebooks.
- - Execute in a Dockerised environment. See help [here](https://developers.arcgis.com/python/guide/install-and-set-up/#Installation-as-a-Docker-image)
+ - Execute in a Dockerised environment. See _Install and set up_ help [Installation as Docker image](https://developers.arcgis.com/python/guide/install-and-set-up/#installation-as-a-docker-image)
  - Execute with Binder. See help [here](https://mybinder.org/)
 
 ## Issues