This coincides with UR8, and interestingly includes an update to Dynamo 0.8.0. I would recommend using Autodesk Application Manager to obtain this entire package.
Collaboration for Revit v5 download:
http://revit.downloads.autodesk.com/download/2015RVT_UR8/RCAO2015.msi
Personal Accelerator:
http://revit.downloads.autodesk.com/download/2015RVT_UR8/PACR.msi
This is the packaged Dynamo installer:
http://revit.downloads.autodesk.com/download/2015RVT_UR8/DynamoInstall.msi
