Please clarify which of these you are interested in so I can provide the right steps.
: Instructions on how to extract or repair a multi-part RAR archive (specifically part 4) that might be showing an error? Download Mix Apps part4 rar
: A "mix" of audio or video editing tools used for content creation? Please clarify which of these you are interested
: A specific collection of Android applications (APKs) or Windows software often distributed in multi-part compressed files? Download Mix Apps part4 rar
This query could refer to a few different things depending on what you are trying to find. Because "Mix Apps" is a generic term often used in file-sharing communities, I need a little more information to give you a safe and helpful guide.