And technically you should just use the 'ProgramFiles' environment variable, since the folder might be called something else if your install is in another langu

And technically you should just use the 'ProgramFiles' environment variable, since the folder might be called something else if your install is in another language. And Windows allows side-by-side installs of 64- and 32-bit versions of the same software; so installers should be aware of 'C:\Program Files (x86)' and 'C:\Program Files'; the first is for 32-bit programs on 64-bit machines.