How to Change Default Program Installation Directory Path ?

1. Run dialog : regedit.
2. Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion.
3. In this key, change String Value named ProgramFilesDir and valued the file path you want for 64-bit software.
4. In this key, change String Value named ProgramFilesDir (x86) and valued the file path you want for 32-bit software.