You have to registrate in MUSINSA to make an order.
Sign in as member to order and receive various benefits.
You can sign up through either your email or social accounts;

■How to register through email
PC: [MUSINSA Global Store] → [Account icon on top right corner] → [Register with Email] → Enter user information
App: [MUSINSA Global Store] → [MY] → [Sign Up] → [Register with Email] → Enter user information

■How to register with social accounts
PC: [MUSINSA Global Store] → [Account icon on top right corner] → Select social account
App: [MUSINSA Global Store] → [MY] → [Sign Up] → Select social account

For detailed information on login with social accounts, refer to [FAQ] → [How do I log in with social accounts?].