1. Download the ZIP file containing Zlib1.dll from Zlib's website.
2. Click on "Start" and select "Computer" to open Windows Explorer. Navigate to the folder to the folder where you saved the downloaded ZIP file. Right-click on the file and select "Extract" to extract its contents onto your hard drive.
3. Open the folder containing the extracted file and right-click on the "Zlib1.dll" file. Select "Copy" from the contextual menu.
4. Navigate to the following folder:C:\Windows\System32Right-click anywhere in the Windows Explorer window and select "Paste." If a warning message appears on your screen telling you that a file with the same name already exists in the directory, select the "Replace" option.
5. Click on "Star," type "cmd" in the search field and press the ENTER key on your keyboard. The will open Windows' Command Prompt application.
6. Type or copy-and-paste the following command in the Command Prompt window:regsvr32 c:\windows\system32\zlib1.dllPress the ENTER key to finish registering the new DLL.