Would you like help comparing Avira’s free vs. paid features instead?

Click and follow the prompt to download your installer. In-App Activation (Windows/Mac) : Open the Avira application on your device. Navigate to Menu (☰) > My Subscriptions . Select Enter Activation Code and paste your key. Mobile Activation (Android/iOS) : Open the Avira app and tap the Profile icon .

You can purchase physical or digital copies from authorized software retailers (such as Amazon, Best Buy, or Newegg). Ensure the seller is listed as "Authorized" to avoid expired or used keys.