3. First launch
During this step you will encounter and have to do the following:
Make sure that your Diablo 3 download is fully installed and has the latest patch.
Make sure that Diablo 3 is not running for this step.
Double-click the Ros-Bot executable. Windows 8 users have to run the executable as administrators
On first launch, scene files are going to be extracted. Scene files are used to navigate the D3 world. Just wait for the operation to complete (may take up to 2 minutes on slow computers).
When asked for a license key, grab one from the website (My account > Licenses > Add new key)