the challenge attachemnt contains a file called fetch which is a windows imaging image file (WIM) which is a file-based disk image format used by Microsoft. WIM files are designed to capture the entire contents of a disk or partition
to view the contents of WIM files first we'll extract the fetch file using 7-zip
we can notice that the files extracted are prefetch files, so to view there contents we will use the winprefetchview program. you can download it from here
