Requesting administrator privileges at run time

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If you want the application to always elevate, you can give it a manifest, either by building one in (not compiling technically) or by putting an external manifest in the same folder as the exe. If you want to decide, as a person, to run it elevated, you right click the exe or short cut and choose Run As Administrator. If you are launching it from code, then as @vcsjones comments, you use the runas verb when you launch that process. For example:

ShellExecute( NULL, 
    "runas",  
    "c:\\windows\\notepad.exe",  
    " c:\\temp\\report.txt",     
    NULL,                        // default dir 
    SW_SHOWNORMAL  
);

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