1 Eliminate Food Sources: Silverfish eat starches and sugars found in paper, glue, book bindings, insulation, and cardboard boxes, and they usually hang out pretty close to their food source. 2  Use airtight plastic storage bins for paper, and get rid of anything that you find full of silverfish.
A WeTransfer ZIP file can be opened with any compression/decompression program like WinZip. If you already have that program, the easiest way to open a WeTransfer ZIP file is by double-clicking on it and then your PC will eventually open the file.
I've used a lot of un-RAR tools and, in my opinion, the best is the free 7-Zip program. Note: Some RAR files are multipart files and are named something like 123.part1.rar, 123.part2.rar, etc. Those types of RAR files should also be able to open with the programs I mention below. How to Open RAR Files With 7-Zip.