Get-OSDBuilder

Since you are going to be working mounting WIM files, make sure you open PowerShell with Admin Rights (Elevated)

When using Get-OSDBuilder for the first time, it will automatically select C:\OSDBuilder as the OSDBuilder Home directory

OSDBuilder -SetPath

If the default OSDBuilder path doesn't work for you, then you can set the path to something else. You can even use method to change between different OSDBuilder instances (one for Client and one for Server)

OSDBuilder -SetPath D:\OSDBuilder\SeguraOSD

Make sure you don't have a trailing backslash at the end of the Path or bad things will happen