> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.nfxbus.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# 【Duolinguo】How to Use, Change Languages, and Basic Tutorial

# [Duolingo] How to Use Duolingo, Change Languages, and Get Started


On the home page, click “Already have an account?”

# 1. On the home page, click “Already have an account?”
![](https://storage.crisp.chat/users/helpdesk/website/-/9/6/7/f/967f0b4ae18a8000/image_1pei0p1.png)

# 2. Enter the account and password shown on your [subscription ](https://www.nfxbus.com/#/plat/subscribe)page.


![](https://storage.crisp.chat/users/helpdesk/website/-/9/6/7/f/967f0b4ae18a8000/image_1itru9i.png)

# 3. After logging in, you can start learning
![](https://storage.crisp.chat/users/helpdesk/website/-/9/6/7/f/967f0b4ae18a8000/image_bfvmgn.png)

Changing Languages

# 1. Tap the course/language icon, then select “Add a course.”

![](https://storage.crisp.chat/users/helpdesk/website/-/9/6/7/f/967f0b4ae18a8000/image_1ayfd3g.png)


# 2. Choose the language you want to learn.

![](https://storage.crisp.chat/users/helpdesk/website/-/9/6/7/f/967f0b4ae18a8000/image_3e6at1.png)


# 3. Once you have selected your course, the language setup is complete.
![](https://storage.crisp.chat/users/helpdesk/website/-/9/6/7/f/967f0b4ae18a8000/image_1083ztu.png)