1
Click the button above to go to the download page, and then click the download button.
2
Find the downloaded Castle APK file in the downloads directory; the specific location may vary depending on your download settings.
3
Click on the Castle APK file to open it and start the installation process.
4
If you receive an installation error message, go to your device's settings and enable "Unknown Sources" as an installation source, then click "Install."
5
After the installation is complete, click "Done."