This file includes the Zbrush.ini as well as the Tablet Pro installer and the Microsoft Wintab_x64 1.0.0.20 driver.
The pen tool using adaptive modifier functionality helps you switch quickly between ctrl, alt, and shift for a really fast workflow. This is built to help aid zbrushers and 3D modelers enjoy and be more productive on surface tablets or windows ink win10 tablets.
The link to download and purchase the pen tool is
https://www.microsoft.com/en-us/p/tablet-pro-pen-tool/9nh3c4mwb9c1