My simple character animation doesn't work. (beginners) ( idle and walk only)

[Moustafa_EID]

here is the file ( 70mb) you can solve this , less than 3 min
i hope you could help me plz
: here : https://drive.google.com/file/d/1_JSIRJeL61DIVaELc5jk6XEdiDPdHWSw/view?usp=sharing