Serial Driver Installation Section INF Invalid

[satway]

Have the same problem on Win 8.1 - Digistump LLC (usbser) Ports (08/16/2014 1.1.0.0) is not installed.
In DigiSerial:

[DriverInstall.NTamd64.CopyFiles]
usbser.sys
lowcdc.sys

but it's still not working

[PaRaDoXaD]

I have the same trouble on Win 8.1 What to do with this?

Have the same problem on Win 8.1 - Digistump LLC (usbser) Ports (08/16/2014 1.1.0.0) is not installed.
In DigiSerial:

[DriverInstall.NTamd64.CopyFiles]
usbser.sys
lowcdc.sys

but it's still not working

[PaRaDoXaD]

I try to use my Digispark without this driver. Digispark Example-Start scratch was uploaded sucessfull 
So i think, there is no critical trouble?

I have the same trouble on Win 8.1 What to do with this?

Have the same problem on Win 8.1 - Digistump LLC (usbser) Ports (08/16/2014 1.1.0.0) is not installed.
In DigiSerial:

[DriverInstall.NTamd64.CopyFiles]
usbser.sys
lowcdc.sys

but it's still not working