No GPS Fix on Pixhawk 4

hello, my name is Pradyun, I am student of class 10th, I am working on a project with my new pixhawk 4 but I am having issues with the GPS, in QGroundControl it always shows no GPS Fix. Now I don’t know to get this thing to work. Even there is nothing about this on the internet. Pleas somebody help me I will be very great full
Thank You

Hi Pradyun,

Can you describe how the GPS antenna is install. It is also very important to have a clear view of the sky.