> 1. Is it save to run it, i.e. do I need to create a backup prior to running it.
It's not necessary.
I've been using it for a few years now and I've never had any problems.
2. Is this the command to run it: VisualCppRedist_AIO_x86_x64.exe /y
Download the file. Right-click on the file, then Execute as administrator.
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