If you have purchased a license or have a valid key, you can activate premium features safely: 360 Total Security - Free download and install on Windows

: Once installed, open the application and click Full Check or Check Now to perform an initial scan for existing threats. Legitimate Premium Activation

: Double-click the downloaded file (typically named 360TS_Setup_Mini ) to begin the setup.

: After the installation is complete, you may be prompted to restart your system to enable real-time protection.

Enter Product Key & Activate Antivirus (2026 Step ... - LeetCode