Problem installing the board UNO SMD R3 on Windows 8.1

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i bought arduino uno smd r3 board cant install on laptop operating windows 8.1. tried follow steps of "getting started arduino on windows" section arduino website instructions seems different windows 8.1 view.

in instruction written while driver installation device manager of laptop there should option:
<look under ports (com & lpt). should see open port named "arduino uno (comxx)". if there no com & lpt section, under "other devices" "unknown device">
but found no such option there. i'm attaching photo of device manager here.

helpful reply appreciated.

view ,affiche périphérique caché


Arduino Forum > Using Arduino > Installation & Troubleshooting > Problem installing the board UNO SMD R3 on Windows 8.1


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