As we know the Raspberry PI is widely used in various sector like education, IOT, security, hardware control etc. To control the raspberry pi remotely we need the remote access software. For that basically there are two software used. TeamViewer and AnyDesk
Go to the download page
https://anydesk.com/en/downloads/raspberry-pi
or
Download AnyDesk
In this software once you set the password you can access it from anywhere in the world. Suppose you have lots of device based on raspberry pi and you need to control them or need to show anything in that particular device then you have to call the user to allow the remote access in AnyDesk software.
Now the solution is to set password for the software. Once you set the password, you can access the raspberry pi anywhere from the world. You have to enter password at host side and no need to allow from remote or client side.