If you want to manually connect your site, you can do so through your site's dashboard. To do this, you'll first go to the your site's WordPress Settings menu and click Solid Central.
Next, you will enter your SolidWP username and password, then click Connect.
Now you'll see the Solid Central page where you can either click the Go Manage Your Connected Sites button or add additional users. Adding additional users is helpful if more than one person will be managing updates for this site.