Microsoft no longer sells VFP 9.0 directly. If you are looking for a legitimate copy, here are your primary options:
VFP 9.0 is a 32-bit application designed for older versions of Windows, but it can still run on modern hardware with some adjustments. Visual FoxPro 9.0 Service Pack 2 Rollup Update - Microsoft microsoft visual foxpro 90 best download
Search for "VFP 9.0 Sedna" – this is Microsoft’s final add-on providing enhanced reporting and Windows Vista/7 support. It is not essential but recommended for modern development. Microsoft no longer sells VFP 9