To install Management Center, you need to download it from Xopero Control Panel, that is available on QNAP device. When it's opened, you may see Security warning window.
Click Run to start the installation process. You must click Next to start the installation. If you don't want to install the product, click Cancel, which will stop the process.
After the installation is started, you will see a progress bar on the screen.
When the installation is finished, You should see summary window. To close it, click Finish. The Management Center should be started automatically.