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Patricia BarbalhoPatricia Barbalho 

Data.com installation - I need a @cunning-mooselogin and pwd that works for trailhead playground

I am trying to install the data.com, but I am being directed to my production salesforce on which I do not have permission to install app. 
 My trailhead login uses same login/pwd of my prod salesforce. I have received a link to trailhead and when I click it uses my company login and  my Single Sign On. I click the link and join. It also works fine for Trailhead playground, that has shows me logged with @cunning-moose login. 

The problem is
(1) when I try to log directly using my @cunning-moose login and SSO pwd, it does not work;
(2) When I try to change my pwd for @cunning-moose login, I receive an error saying that current pwd does not exist.
(3) When I try to restart my @cunning-moose pwd, it asks one of security questions that I have never answered therefore change of pwd fails. 

Without a @cunning-mooselogin and pwd that works for trailhead playground I cannot complete the exercise / challenge to install the data.com app. What should I do here ?
DeepthiDeepthi (Salesforce Developers) 
Hi Patricia,

For installing a package in Trailhead Playground, make sure you install it in Playground/dev org. Refer the link that shows the steps for installing the package in Trailhead playground account: https://force.desk.com/customer/en/portal/articles/2710899-installing-a-package-or-app-to-complete-a-trailhead-challenge?b_id=13478 
Before installing the package, you need to reset the password of Trailhead playground account.https://force.desk.com/customer/en/portal/articles/2659738-find-the-username-and-password-for-your-trailhead-playground?b_id=13478

Hope this helps you!
Best Regards,
Deepthi