Hello RRvja,
welcome to the Polycom Community.
The C100S as shown => here<= in the data sheet only supports officially Windows XP
Windows Vista and Windows 7 support was added as shown on the support page => here<= and can be found already asked in multiple other posts that can be found using the community search => here<=
The C100S does not support Windows 8, Windows 8.1 or Windows 10
Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.
Best Regards
Steffen Baier
Polycom Global Services
