Friend's trial +30 days · the inviter also gets +30 days (up to 3 friends · 90 days)
Copied
Select the code and copy it with Ctrl+C.
Open “Invite friends” from the program's menu and this page will show your code.
Download the installer for Windows or Mac and install it.
In the program, open the Tools menu on the toolbar and choose “Invite friends”.
Tools ▸ Invite friends
Paste the code into the “Invite code from a friend” box and press “Apply”. The trial is extended right away.