To grab a new token, please follow these steps:
Make sure you are logged in to the NativeDSD Account you would like to connect with the app.
Go to Your Account > Downloader.
At the top of the page, just below the App's Icon, the Token will be displayed.
Get a new token or if token is not showing
If the page is not showing a token, click on the button "Get a new token" on the same page to generate it. The page will reload, please wait, and copy and paste it into the app.
The manual for the downloader is available here.