You can only install Nicestats on all your devices if you've been invited. To install it on your PC (Mac or Windows), follow these steps:

1. Log in to nicequest.com, log into your Account and go to the Nicestats section.
2. In the PC section, click "Install" and follow the steps to set up Nicestats.
3. Once the set up has finished, the status of your device will be "In process” in the Nicestats section of your Account. If you set up Nicestats correctly, it will appear as “Active” within 24 hours.