For Android users download Melon App here : https://apkplz.com/android-apps/com-iloen-melon
For Apple users follow the steps below.

Do not edit photos or remove watermarks.

Credit all translators, sources and editors when reposting.

Up to date: 07 Jan 2018
Editor
1

Go to Settings, then choose iTunes and App Store.

2

Sign into the iTunes store.

3

Make sure to input complete payment information as shown in the pic or purchasing of Melon pass won’t work.

You can input your own Surname, First Name, Address

For Province, City, Postcode, Phone number, please input the details on the pic.

4

Change Country/Region to 대한민국. 

(part II)

5

Once done just go to Apple Store, search for Melon and install.