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Cant install the trailhead component opp alert
I am not able to install the component.I am getting the error that i dont have enough permissions to install the app.

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- Open an incognito browser window in Chrome.
- Log in to Trailhead with your normal Trailhead username and password.
- Stop and check and make sure you're in an incognito window. Seriously. This won't work without it.
- please refer the below link for reference.
- https://force.desk.com/customer/portal/articles/2710899-installing-a-package-or-app-to-complete-a-trailhead-challenge?b_id=13478
Hope it helps.Please mark it as best answer if the information is informative.so that question is removed from an unanswered question and appear as a proper solution.
Thanks
Rahul Kumar