（3）Software Installation

1. On a 64-bit Windows operating system, turn off the firewall and exit the antivirus software (such as 360 or PC Manager). Right-click the Astra installer and select "Run as administrator". A setup interface will appear. Follow the prompts and click "Next" one by one to proceed to the next step.

2. After the installation is completed, an Astra software icon will appear on the desktop.