How to install a DLL file in Windows

How to install a DLL file in Windows? Uncompress the DLL downloaded file from DLL-Downloads.com to your system32 folder within the Windows folder.  [c:\WINDOWS\system32] Click on the Start button, then click the Run... option In the "Open" line, type the following (without quotes) "regsvr32 filename.dll" (replace filename.dll with the actual filename of the file you downloaded), then click the "OK" button. If the installation was successful, you should see a message saying that your file was successfully installed/uninstalled.