FAQ/Help - Frequently Asked Questions about DLL install

Help to download and install a DLL file

How to install a DLL file downloaded on Download-DLL.com?


Once the DLL file downloaded to your computer, open the folder in which the DLL has been downloaded.
Then, copy the DLL file in the system directory of your Windows Operating System.
This directory varies depending on the version of your OS Microsoft Windows.


  • Windows 95/98/Me: C:\Windows\System
  • Windows NT/2000: C:\WINNT\System32
  • Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10: C:\Windows\System32

If you use a 64-bit version of Windows, you should also place the DLL file in the folder C:\Windows\SysWOW64\



How replace a DLL file in use?


If you get an error when you try to replace or rename an existing DLL.
First, make a backup of the old DLL. For example, adding .old to the end of the name of the DLL.
Then, copy the new DLL file in the directory where was the old DLL.
If you can not perform those operations with Windows Explorer, follow these instructions:


  1. Click on the Start menu and select "Run..."
  2. Type "cmd" and press "Enter"
  3. Type the following commands in the dark windows which opened and press “Enter" at the end of each line.
    (Replace fields between <> with your own names of files and DLL file)

    ren c:\<directory>\<file>.dll c:\<directory>\<file>.old
    copy c:\<temp directory>\<file>.dll c:\<temp directory>\<file>.dll

  4. Restart your computer

I do not see the DLL file I just downloaded?


Make sure that you search out the DLL in the destination directory of your downloads.
If you are in the correct directory and you still do not see the DLL file downloaded on download-dll.com, you must enable an option to show hidden files.


  1. Open "My Computer"
  2. In the "My Computer", click on the menu "Tools" at the top, then select "Folder Options"
  3. In the window "Folder Options", select the tab "View"
  4. A lot of options are available in the tab "View". Check the option "Show all files" in "Hidden files".
  5. Click on "Apply" and validate by clicking on "OK".

The DLL file downloaded should now be visible in your download directory and ready to be installed in the appropriate directory.


Why do my dll files suddenly disappear?


Most DLL files are used by several programs and applications.
When you uninstall an application, the installer will remove any files that were installed during the installation, including the DLL files used by the application even if they are used by other applications.



Dynamic Link Library


I look for a DLL file that I found nowhere what to do?


If you did not find your DLL with the function search this website, send a suggestion to the team download-dll.com
We will add the missing DLL file to out catalog.

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