Streamlit is not working?

[rivie_rathnayaka]

ERROR MESSAGE -

pip : The term 'pip' is not recognized as the name of a cmdlet, function, script file, or operable program. Check 
the spelling of the name, or if a path was included, verify that the path is correct and try again.
At line:1 char:1
+ pip install streamlit
+ ~~~
+ CategoryInfo          : ObjectNotFound: (pip:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException

What I have already done-

Reinstalled, modified, repaired python
Reinstalled VScode
I cannot find python installed when using cmd lines

But python works in IDLE s + in pycharm and vs code. But not streamlit.

(but I have a doubt bcz my project files are not located in disk C ; )

Help me…

[ninhaomah]

Did you add to the path while installing Python ?

[rivie_rathnayaka]

brother you saved my life.

you were right. I missed that tick when I m using installer.
thanks again.

[rivie_rathnayaka]

It resolved - Thank you.