To download and use RAR files on Android, the most proper and secure method is to use a dedicated extraction app, as Android does not have native support for this format.
Navigate to the folder where your RAR file is saved (usually /Download ). Extract: Tap the checkbox next to the RAR file. Download diagest android rar
A file manager with built-in native RAR/RAR5 support. To download and use RAR files on Android,
Tap the (arrow pointing up over books) at the top of the screen. Select the destination folder, then press OK. then press OK.