I ran the CCleaner tool to search for out of date drivers. One suggestion was to update the Realtek High Definition Audio driver from version 6.0.1.7404 to version 6.0.9205.1. I was a bit skeptical so I did an online search for the recommended update version which pointed me to 4 pages of search results in the Microsoft Update Catalog. There are 80 entries for version 6.0.9205.1 but each one has a product entry for Windows 10. I am reluctant, indeed afraid, to install it on my Windows 7 PC without explicit confirmation that it is meant for Windows 7 as well as Windows 10.
Surely CCleaner knows my Windows version, but is it used when it searches for driver updates?
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I am reluctant, indeed afraid, to install it on my Windows 7 PC without explicit confirmation that it is meant for Windows 7 as well as Windows 10.
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I'd say that's sensible too.
As Windows 7 is End of Life for support, then I doubt that <em>any</em> recent driver update will be beneficial to that machine.
The developer of the driver has probably not even considered, or tested on, Win 7.
The general advice from advanced computer users is - "If it isn't broken then don't try to fix it".
In other words if the drivers you have are working OK for you then there's no need to update them.
Driver updates may not be beneficial for your computer at all, they may be for other makes/hardware/software.
At best such updates will have no effect on your machine, at the worst updating a driver unecessarily can cause problems that you didn't have before.
I'd just ignore the Driver Updater. (I ignore it even on Win 10).