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1. Download the file by clicking the "Download" or "Obtain Software" button and then save the file to a folder on your hard drive (make a note of the folder where the downloaded file is saved).
2. Double-click the downloaded file and then follow the on-screen instructions.
Remove the INF folder to fix the Chklogo issue(SIO1030631) This SoftPaq installs the Realtek Network driver for supported platforms with Windows 7 32-bit Oper
This sp66820.exe driver file fit for these kinds of hp product: