I used NRF51822 Dongle(Central) and Peripheral.
I want to change from Dongle(Central) to PC(Central).
PC version is window8.1.
but not operation bluetooth communication.
occurs peripheral name in PC. but no pairing.
only HID method example source code in Nordic homepage.
please contact me.
Which machine are you running on, Mark ? It won't work on Windows 8.0 and earlier as BLE is not supported natively on those version. Also, I suggest to ask also on Microsoft support site.