**How to Log In to the MT4 App**
【PC Version – MT4 App】
1. Launch the MT4 application.
2. On the trading server selection screen, choose the following:
- **Address**: `bitcastle-Live`
- **Company Name**: `bitcastleLLC`
Then click **“Next (N)”**.
3. Select **“Existing Account”**.
- **Login**: Enter your FX account number (MT4 ID).
- **Password**: Enter your MT4 password.
Then click **“Finish”**.
4. You are now logged in to the MT4 app.
【Mobile Web Version – MT4 App】
1. Launch the MT4 application.
2. A pop-up message saying “Welcome to MetaTrader 4” will appear. Please read the message and tap **“Agree”**.
3. A second pop-up saying “Open a Demo Account” will appear. Tap **“Cancel”** at the top right.
4. Tap the option **“Login to an existing account – To connect to a selected broker, enter your login and password.”**
5. In the “Enter company name or server name” field, type **“bitcastle”**.
6. Two server options will appear: **“bitcastle-Demo”** and **“bitcastle-Live”**. Select **“bitcastle-Live”**.
7. Enter your login credentials:
- **Login**: Enter your FX account number (MT4 ID).
- **Password**: Enter your MT4 password.
Then press the **Enter key** on your keyboard or tap **“Sign In”** at the top right of the screen to complete the login process.
If you have further inquiries, please don't hesitate to contact our Support Team via "Contact Us" function.