Provided you've already installed PowerShape 2017, Service Pack 6 for Autodesk PowerShape 2017 product range (Standard, Premium or Ultimate) is now available to download through the Autodesk Desktop App:
You can also download Service Pack 6 for PowerShape 2017 from the Product Updates area of your Autodesk Account.
Details of the fixes and enhancements included in Service Pack 6 for PowerShape 2017 are listed here.
It will also be made available from the Downloads section of the Autodesk Knowledge Network.
If you haven't already installed the previous service packs for PowerShape 2017, then you do not need to install them prior to installing the Service Pack 6.
Kind regards,
Irina Zoteeva
SQA Engineer