Run a copy job and copy your Program Files directory to the new location. Then, change the registry key for it in HKLM\Software\Microsoft\Windows\CurrentVersion. The key is named "ProgramFilesDir".

I have a C partition that is 10 gigs, and is getting close to full. My D partition has plenty of space. My D partition already has a program files directory on it, with programs installed there. The ...

Starting with Windows Vista, the 64-bit versions of Windows have two Program Files folders. The regular Program Files folder holds 64-bit applications, while "Program Files (x86)" is used for 32-bit ...