How to install both C51 and ARM together?

Hi, I have already installed ARM mdk473 in my PC, now I was installing C51v952 and am getting a message asking " A new version of C:\Keil\UV4\SVDConv.exe is already installed" and it asking to choose...
How to install both C51 and ARM together?

Hi, I have already installed ARM mdk473 in my PC, now I was installing C51v952 and am getting a message asking " A new version of C:\Keil\UV4\SVDConv.exe is already installed" and it asking to choose...
old C51 NT installation

I have the C51 compiler (5.02c version). Is it possible to install it under win NT? Are there any free upgrade for this version? Thanks
old C51 NT installation

I have the C51 compiler (5.02c version). Is it possible to install it under win NT? Are there any free upgrade for this version? Thanks
How to install Keil on a 64-bit XP computer?

Hi, I used to use both Keil 2 and Keil 3 in my old computers, and they were fine. Recently IT built me a new computer with x64 XP. But I cannot install Keil, either version, on it. It gives me error...