If you get a password prompt, you must obtain it from the original source where you downloaded the file. To give you more specific instructions, could you tell me: What software are you using to try and open this? Are you getting a specific error message ?
You cannot open just part 19. All parts (part01 through the last one) must be in the same folder to reconstruct the original file. 2. Requirements for Extraction To use this file, you will need: E2GB.part19.rar
The extraction software will automatically detect the other parts (including part19 ) and combine them to create the final file [1]. 4. Troubleshooting If you get a password prompt, you must
Move E2GB.part19.rar and all other parts ( .part01.rar , .part02.rar , etc.) into the same folder [1]. You cannot open just part 19
Do you have (part01, part02, etc.) in the same folder?
Select or "Extract to [Folder Name]" using WinRAR or 7-Zip.
This indicates there are at least 19+ files (part01, part02, etc.).