Choose the right download format
The download button opens an external page, not a locally hosted APK. On that page, identify the platform before selecting a file. If only a web option is available, use it in the browser; do not assume that adding a home-screen shortcut creates an installed Android app.
Locate the completed download
On Android, look in the browser’s Downloads list or the phone’s file manager. Confirm that the transfer has finished before opening the package. If the device reports an incomplete or incompatible file, do not keep trying the same package without checking its source and requirements.
Keep your account when updating
An update changes the installed software, not necessarily the account. Keep access to the registered contact method before replacing an existing installation. The current release number and download size are not verified here; compare those details at the source when available.