Here's how to install and activate your Avast SecureLine VPN: • Windows 1. Download and install Avast SecureLine from the official Avast website. 2. Go to "Menu > Enter activation code". 3. Enter the code you received from Murnistore, then click "Enter". 4. Click "Activate & Install" to proceed with the installation. • Mac 1. Download and install Avast SecureLine from the official Avast website. 2. Open Avast SecureLine and go to "Menu > Enter activation code". 3. Enter the code you received from Murnistore, then click "Enter". 4. Click "OK" to return to the Subscription page. • Android 1. Download and install Avast SecureLine from the Play Store. 2. Open Avast SecureLine and select "Options (three dots) > Already purchased?". 3. Choose "Enter activation code". 4. Enter the code you received from Murnistore, then tap "Activate". • iOS 1. Download and install Avast SecureLine from the App Store. 2. Open Avast SecureLine and tap "Already purchased?". 3. Select "Enter activation code". 4. Enter the code you received from Murnistore, then tap "Continue".