If I understand your question, C++ Builder and Visual Studio can coexist on one system. All you need to do is install both, then pick the one you want to use.
Narue
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Visual Studio is an integrated environment. When you install Visual C++, you get the compiler, debugger, and linker that are required to turn C++ code into an executable program. Nothing more needs to be done unless you want to use different tools than the ones that come built in.
Narue
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