Go to the module page and find the "Install" block;
In the field next to the "Install" button, enter your Bitrix24 portal domain and click the "Install" button;
Accept all agreements and click "Install";
Click the button "Start Your Free Trial" (1), or paste your license key (2), if you have one;
If you have activated the trial, be sure to enter your valid email, this is where we will send the license key (check the spam if you did not receive it).