- On your iOS device, download and install the latest version of Avast Mobile Security from the App Store.
- Open Avast Mobile Security and tap Not now, then Allow to give Avast Mobile Security access to your device.
- Tap Upgrade in the top-right corner of the screen, then select Already purchased?.
- Select Enter Avast subscription code.
- Enter your activation code (including hyphens) into the text box, then tap OK.
- Tap OK to complete activation.
Avast Mobile Security Premium is now active on your iOS device.
Source : Official Avast Brand
Editor by : BEST Antivirus KBS Team