1. On your Android device, open "Settings" and find the "Security" or "Protection" section. The names and location of this section may vary slightly depending on your Android version.

2. In the "Security" section, find the option that allows you to install apps from unknown sources. This is usually called "Unknown Sources" or "Unverified Sources". Give permissions to perform these actions, you only need to perform this operation once.

3. Locate and click on the download link for . You may be prompted to choose where to save the file to your device.

4. When the download completes, open any file manager on your Android device. You can use the built-in file manager or install a third-party app for this purpose.