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afreeDLL - What is a .DLL file?
.DLL Terminology

  • .DLL ~(.DL_)
    Short for Dynamic Link Library, a library of executable functions or data that can be used by a Windows application. Typically, a DLL provides one or more particular functions and a program accesses the functions by creating either a static or dynamic link to the DLL. A static link remains constant during program execution while a dynamic link is created by the program as needed. .DLL's can also contain just data. DLL files usually end with the extension .dll,.exe., drv, or .fon.

    • A DLL can be used by several applications at the same time. Some DLLs are provided with the Windows operating system and available for any Windows application. Most DLLs are written for a particular piece of software and are required when executing the application.


  • System Directory
    The location of your system directory varies depending on your operating system.
    This is the location the .DLL file should be downloaded to.
    • Win XP - C:\Windows\System32
    • 95/98/Me - C:\Windows\System
    • Win NT / 2000 - C:\WINNT\System32