HiRO H50191 - Manual (Page 7)

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Step 3:
Click " Driver Installation ".
Step 4:
For Security reasons Windows 8 requires the installer program to have
administrator privileges so the new policy called " User Account Control " has
been introduced in Windows 8. If UAC is enabled Windows pops up a window "
User Account Control " Windows need your permission to continue. User needs
to Click " Yes " to proceed with the installation.