Right-click only on the first part ( WULNOT-MW.part1.rar ) and select "Extract Here" or "Extract to [Folder Name]".
When a file is too large, it is split into smaller parts (.part1, .part2, .part3, .part4, etc.) to make downloading easier [1]. WULNOT-MW.part4.rar
A compressed archive format (.rar) that holds one or more files [1]. Right-click only on the first part ( WULNOT-MW
These files are often password-protected to hide malicious content from scanners. The password is usually provided on the site where you downloaded it. WULNOT-MW.part4.rar