Hama Nano Bluetooth USB Adapter Operating Instruction page 6

Click Install to begin with the installation.
The files required for the installation are copied
now.
Put the Bluetooth USB adapter in a free USB slot
of your PC as soon as this message appears.
Continue by clicking OK.
6
Finish the installation program by clicking Finish.
The PC has to be started anew so that the
Bluetooth software which has just been installed
reaches its full functionality. If you want to restart
your PC now, you have to click Yes. If you want
to restart your PC later in a manual way, you have
to click No.