Look at the website, forum post, or Discord channel where you found the download link.

When prompted, enter the "paper" (password) you found.

The software will automatically combine all parts into the final game folder.

The term in this context most likely refers to a password required to extract the file. This is common for files downloaded from forums or third-party sites. 🔑 How to find the "Paper" (Password)

WinRAR vulnerability exploited by two different groups - Malwarebytes

To open , you need a file extraction tool like 7-Zip or WinRAR .

Ensure you have part1.rar , part2.rar , etc., in the same folder.