Right-click the installer and select Run as administrator to ensure it has the necessary permissions.
Follow the on-screen instructions until the installation is finished.
Older SPD drivers might be unsigned. You may need to disable Driver Signature Enforcement in Windows settings before they will install correctly.
Open the extracted folder and look for an application file (often DPInst.exe ).
Most SPD drivers are provided as compressed files (in .rar or .zip format) to reduce download size. Follow these steps for manual installation on Windows 10/11: