Because it uses the .rar extension, you cannot open it like a standard folder. You need specific software to "extract" the contents:

: A workshop manual for an LN171 Hilux should typically be between 50MB and 200MB. If the file is significantly smaller (like under 1MB) and asks you to run an .exe file inside, do not open it. Need to open, create, or convert a RAR file? - WinZip

A new folder will appear containing the actual documents (often PDFs or images). Safety and Content Warning

: Ensure you downloaded this from a reputable automotive community or official site. Compressed files can sometimes be used to bundle unwanted software or malware.