1. Download the SON220KNEF.EXE file to a temporary or download directory (please note this directory for reference).
2. Go to the directory where the file was downloaded and double-click the SON220KNEF.EXE file to begin the installation.
3. At the "SONY® USB Memory Stick Controller Driver - InstallShield Wizard" box, click Next.
   Several setup boxes will briefly appear during the installation. As the files are installed, these boxes will close automatically.
   NOTE:  If an "Information" box appears prompting you to reboot to verify the system model, click OK. After the computer restarts, please continue with step 5 above.
4. At the "InstallShield Wizard Complete" screen, select "Yes, I want to restart my computer now." and click Finish to restart the computer.

After the computer restarts, the installation of the SONY® USB MemoryStick® Controller Driver is complete.

• During the installation of this update, be sure that you are logged in as the Administrator or as a user with Administrative rights.
• To ensure that no other program interferes with the installation, save all work and close all other programs. The Taskbar should be clear of applications before proceeding.
• It is highly recommended to print out these instructions as a reference during the installation process.