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Developer licence

Hi all

More trouble with windows 8.1, Mail ,People & Calander now no longer work when selected tells me to go to the store which then informs me that the developer licence needs renewing.

As a serious techno void person I haven't the faintest clue as to do this any help in a basic way would be much appreciated



My Computer

System One

  • OS
    windows 8.1
    Computer type