To combine (join) physical and relative filesystem paths in PowerShell, use Join-Path
If you want to combine the physical path C:\ with a relative path “Temp” in PowerShell, Use Join-Path PS C:\Users\rLisdonk> Join-Path "C:\" "\Temp" C:\Temp PS C:\Users\rLisdonk> Join-Path "C:\" "Temp" C:\Temp PS C:\Users\rLisdonk> Join-Path "C:"