The Windows 10 is`running the new 'Ask Cortana program', and it has the new 'start up', picture menu. The DVD player, and the sound is working properly. The original Toshiba 'background screen', screen logo stayed on the screen display.
This upgrade was available for free; for a limited time in 2016. I used a DVD disk to install the program, instead of downloading it; because I used the Windows 10 Home-Pro 32 bit version.
Windows 10 is about 10 years newer than Windows 7, and about 4 years newer than Windows 8 is.
After, I upgraded 10 Windows 10, I also downloaded AVG anti-virus; for it.
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Windows 10 Upgrade, from Windows 7 Pro, 'downloads' - 3