Were you looking for with the installation, or did you need a deep dive into the mathematics of subdivision surfaces?
Assuming you are looking for or a setup guide : About TurboSmooth Pro
: While originally designed for earlier versions, many users utilize v1.01 for 3ds Max 2020 . Note that 3ds Max 2020 is exclusively a 64-bit (x64) application; it does not support 32-bit (x32) systems [3].
TurboSmooth Pro is a 3ds Max modifier that enhances the standard TurboSmooth. Unlike the default version, it allows for based on edge weights or smoothing groups, giving you more control over your geometry without adding extra edge loops [1, 2]. Compatibility & Installation
However, the phrasing of your request is a bit ambiguous. It could mean one of two things: