The archive is useless without the other parts; it cannot be played or partially extracted.
The .part05.rar extension indicates this is the fifth chunk of a larger file. You must have all parts (e.g., part01 through partXX) in the same folder to extract the video. Fatma.BDRemux.part05.rar
"BDRemux" tags are often used as bait by malicious actors. Scammers may include an .exe or .bat file inside the RAR that mimics a "codec" or "player." The archive is useless without the other parts;