To transfer files from your phone to pc, simple follow these steps:
1. Connect your phone to a computer via the included Micro USB cable.
2. Drag down the notification bar, and then tap the USB icon.
3. Tap Mass Storage
4. On your PC, an AutoPlay screen will be displayed. Click Open device to view files.
NOTE: Alternatively, click Start > Computer > MB886.
5. Navigate to the desired media files or folders on the device.
NOTE: Photos and videos captured from your device are automatically stored in Internal Storage > DCIM > Camera by default.
6. Open a new "My Computer" window, and then navigate to the desired media files.
7.Drag and drop the desired media files or folders or Copy and Paste
Source: Link
You can also view this tutorial on YouTube, click here to view that video.