: You cannot open "part13" by itself. WinRAR or 7-Zip requires every single numerical part in the sequence to be present in the same folder. Extraction
To prepare or extract the content from "TEK-099-u.part13.rar" TEK-099-u.part13.rar
: Once all parts are in the same folder, open part01 using a tool like WinRAR or 7-Zip. The software will automatically link the segments together to recreate the original large file. : You cannot open "part13" by itself