Regular users can execute programs, but not make changes.These are the permissions of Program Files: These are the permissions for a regular folder created in C: This makes it possible to have 32-bit and 64-bit versions of a program.īy default, Windows (10) sets certain permissions to the Program Files folder. If a 32-bit executable looks to \Program Files (which is historically the location of all program files before 64-bit editions of Windows were available) then WOW64 will redirct the 32-bit executable to look under \Program Files (x86) for other 32-bit binaries it needs. \Program Files on a 64-bit install holds 64-bit copies of the binaries whereas \Program Files (x86) holds 32-bit copies. Think of it as painting lines in aĪn exception to this, however, is a 32-bit executable running in a 64-bit installation. Program Files was introduced in anĪttempt to bring order to chaos. Some installed into the Windowsĭirectory. Some installed into the root of your C: drive. Where applications should install by default. The excerpt of interest from that link is Note that I have never seen any definitive reference to support this other than things like this post, which I don't hold to be absolutely conclusive (even from Raymond Chen). There is generally no technical difference between it and any other folder from an execution standpoint. Storing installed programs under a common folder adds the benefit of organization so they can be quickly identified visually and with which security and other policies can be quickly and easily applied. Technically, programs can be installed or reside anywhere.
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