: Go to your device Settings > Security (or Privacy ) and toggle on Install Unknown Apps for your browser or file manager.
: Download the APK file (~25.5 MB) and find it in your Downloads folder. Install : Tap the file and select Install when prompted. Download Proton VPN apk
: Open the app and log in or use Guest Mode to start browsing securely. Why Use the APK? Download VPN for Android - Proton VPN : Go to your device Settings > Security
Because Android blocks apps from outside the Play Store by default, you must manually enable installation: Download Proton VPN apk
To avoid malware from fake apps, you should only download the APK from these verified sources: