1) The document describes the installation processes of Windows 10, Linux Ubuntu 15.04, antivirus software Kaspersky, and office software Microsoft Office 2010 on a computer system.
2) Details are provided on partitioning disks and setting up user accounts during the Linux installation. Network setup and installation of the Skype application are also documented.
3) Test plans are outlined to check the identification of distributions, device drivers, user account configuration, network connectivity, and software installation. Screenshots confirm the successful completion of tests.
4) Common faults identified on four PCs include non-working USB ports, faulty Wi-Fi connectivity, random restarting, and malfunctioning keyboard keys. Steps taken to diagnose