First of all, thanks to all.
Next, I must apologize for my memory failure.
No, not the PC, my brain.I should have remembered that I did this before.
But somehow I read something that made me thin it was BIOS.
Really, if you want to run modern OS and Apps on a PC, it has to be unit made in the past few years. Specifically, 2007 onward.
However, Windows 8.1 32 bit will run on older systems. Photo attachment 1.
With regard to the Dell GX520:
But Windows 8.1 64 bit will five an error message. Photo attachment 2.
(Windows 10 preview gives same error.)
Using the right Windows 8.1 adviser the detail shows. Photo attachment 3.
This is the end of this.
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