To create an app, go to https://developer.spotify.com/dashboard.Log in if necessary. When you follow the link, you will see same screen as following image:
Click on 'Create app'. You will see screen identical to following image:
Fill 'App name' and 'App description' with any words, and fill 'Redirect URLs' as http://127.0.0.7:25566/callback.Then, click on 'Save' on the bottom. This will create the app.
After creating the app, you will be sent to app dashboard. It will look simular to this:
Click on 'Settings'. It will reveal client id. However, we also want client secret.Click on 'View client secret' to reveal client secret. Do not share client id and client secret with anyone else who you don't trust.
Type client id and client secret below. Your id and secret won't be sent anywhere else then your computer.
Client ID:
Client Secret:
You will be redirected to login page