How to enable qBittorrent web interface
If you want to control your qBittorrent server using the web interface, follow these steps:
- In the menu bar, go to 
Tools>Options - In the next window, select the 
Web UI option 

- Check the box for 
Enable the Web User Interface(Remote control) - Select a 
port(default is8080) - Set up a 
usernameandpassword(default is username:admin/ password:adminadmin) 
Click OK to save the settings.
Now you can access your server from a browser by entering the IP address and port of your qBittorrent server, for example: 192.168.1.100:8080 as shown below:

Additionally, you can access it from your Android device if you install qBittorrent Client or qBittorrent Client Pro.