How to Install .DLL Files

Installing .dll files is a simple process that can be done in a few minutes. You can install .dll files directly to Windows, or to the software installation folder where the application .exe is located.

System Installation

Installing .dll files to the Windows system folder is the most common method. Simply place the .dll file in the appropriate Windows system directory. If the .dll file already exists, make a backup or install the .dll file directly to the software instead.

  1. Place 64-bit DLLs in the '/Windows/System32' directory.
  2. Place 32-bit DLLs in the '/Windows/SysWOW64' directory.
On a 64-bit Windows system you can use both 32-bit and 64-bit .dll files.
Click here to check if your running a 32 or 64-bit system.

Software Installation

Installing .dll files where the software's .exe file is located offers several advantages and is generally a safer approach. Using this method, the .dll file is isolated to the software, rather than a shared resource in the Windows System.

  1. Right click the application shortcut.
  2. Right click and select properties.
  3. Copy the target location. (without .exe)
  4. Navigate to the target location you copied and place the .dll files into this folder.
If you installed 32-bit software, 32-bit .dll files may be required even if your system is running on 64-bit.
Discover Application Install Directory
Install DLL File


Redistributables are official packages that include necessary .dll files required for running applications. Using DLLme, you can lookup a .dll file and see if there are any suggested redistributables or software packages that contain the .dll file.

  1. Search for the .dll file at
  2. If a redistributable or software package is suggested, download and install the package.
  3. Click here to view a list of redistributables.


After you install a .dll file using one of the methods above, restart the application and/or computer to complete the installation process.

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