If you change your computer for any valid reason, you can always reinstall 360 Antivirus Pro to your system. You can reinstall the antimalware program on your new device by following easy steps. The steps are as follows: Uninstall Old Antivirus (if applicable) If your old device had an antivirus program installed, it’s a good idea to uninstall it before installing a new one. Having multiple antivirus programs running all at the same time can cause conflicts. Download the Antivirus Software Visit our official website, 360antiviruspro.com, and go to the download section. Download the installer file for the version compatible with your new device’s operating system. Run the Installer Locate the downloaded installer file and run it. Follow the instructions given on screen to install the antivirus program. Activate or Register Enter the license key to activate the program. If it needs registration, you can do so by creating a new account. If there is no prompt, you can use your old account to register the key and activate your software. Update the Antivirus After installation, the antivirus program will likely need to update its virus definitions and other components to ensure it’s up-to-date with the latest threats. Most of the time, it will update automatically and get new features. But to make sure that it is up to date, you can check for the updates manually also. Run a Scan Perform a full system scan to check for any existing malware or security threats. This will help ensure that your new device starts off on the right foot in terms of security. Configure Settings Explore the antivirus program’s settings and configure them according to your preferences. You should set up scheduled scans, real-time protection options, and more.