How to make a glitch app running even even we close the window

I want to make my app live even my network is down and the window is closed

Hey @vishnu123sai, welcome to the Glitch forum!

If you want your project to run all the time at the moment you need to use an external service to keep it running. UptimeRobot is a popular choice. If you take a look at that post it might give you what you need, but if you have further questions let us know!