A long time ago a little girl lived with her charming kitten in the forest. And one day, a monster kidnaps her kitten. But they did not know that she was a real witch, so she carried a magic wand and went in search of them. This is a dangerous jouey, as many kinds of dangerous creatures live in the forest. But she does not want to harm these monsters. Thus, she avoids the danger by changing places with them.
After the download is complete, the downloaded file will be displayed in the notification shade (top), and will also be located in the "Download" folder (any file manager )
Install the downloaded APK file using any file manager or by clicking on it (on the downloaded file) in the notification shade
If you are installing apps for the first time not from Google Play (but using a file manager or browser), you will need to grant the appropriate permission. This is done only once.
If the file was downloaded with the bin extension, then there are 2 options:
Change the extension of the downloaded file to apk using any file manager ("rename" function)
To update the application, install the new version of the application over (without deleting) the old one.
This update will only be possible if the previous version of the application is downloaded from us. Otherwise, there will be a signature conflict and you will see the message "Application not installed".
For what "Signatures" are and what they are for, read here.