Hi Greg,

We can install VFP 9.0, VFP Advanced 32&64-bit on the same computer.

The VFP 9.0 default installed folder:
C:\Program Files (x86)\Microsoft Visual Foxpro 9 (or C:\VFP9)
C:\Program Files (x86)\Common Files\microsoft shared\VFP

The VFP Advanced 32-bit default installed folder:
C:\Program Files (x86)\Microsoft Visual Foxpro Advanced (or C:\VFPA)
C:\Program Files (x86)\Common Files\microsoft shared\VFP
C:\Windows\SysWOW64

The VFP Advanced 64-bit default installed folder:
C:\Program Files\Microsoft Visual Foxpro Advanced (or C:\VFPA64)
C:\Program Files\Common Files\microsoft shared\VFP
C:\Windows\System32


The VFP 9.0 default settings in the windows registry:
HKEY_CURRENT_USER\Software\Microsoft\VisualFoxPro\9.0\Options

The VFP Advanced 32-bit default settings in the windows registry:
HKEY_CURRENT_USER\Software\Microsoft\VisualFoxPro\10\Options
TMPFILES=C:\Users\username\AppData\Local\Temp
ResourceTo=C:\Users\username\AppData\Roaming\Microsoft\Visual FoxPro Advanced\FOXUSER.DBF

The VFP Advanced 64-bit default settings in the windows registry:
HKEY_CURRENT_USER\Software\Microsoft\VisualFoxPro64\10\Options
TMPFILES=C:\Users\username\AppData\Local\Temp
ResourceTo=C:\Users\username\AppData\Roaming\Microsoft\Visual FoxPro Advanced (x64)\FOXUSER.DBF

Best regards.

Chen
2018.1.17