Locate the downloaded application on your device and click on the.In order to install the downloaded app of William Hill on your Android, follow these steps: To install the app on your phone, follow the next section. apk file downloaded on your Android device. You should now have the William Hill mobile app. The message is showing due to the fact the app is not downloaded directly from Google Playstore. Ignore this popup and press OK, the file isn’t harmful. You may also receive a popup stating that the file you’ve just downloaded can harm your device.Your browser might ask you to give access to your photos, media, and files on your device, press Allow.Press the Download button beside the Sportsbook app icon.Go to your phone browser and visit the William Hill site at.Then press Unknown sources to allow installing apps from sources outside Google Play store. Go to the Settings option on your phone and then press Security.If you want to download the William Hill mobile app for Android, follow these steps: How to download William Hill mobile app for Android