E2gb.part19.rar

This indicates there are at least 19+ files (part01, part02, etc.).

Select or "Extract to [Folder Name]" using WinRAR or 7-Zip. E2GB.part19.rar

This means part 19 (or another part) is corrupted or incomplete. You will likely need to re-download that specific part [1]. This indicates there are at least 19+ files

Move E2GB.part19.rar and all other parts ( .part01.rar , .part02.rar , etc.) into the same folder [1]. etc.) in the same folder?

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 ?

Do you have (part01, part02, etc.) in the same folder?