Step 1 Step 1
Create folder wp-cli
in C
drive.
Step 2 Step 2
Download wp-cli.phar from https://raw.github.com/wp-cli/builds/gh-pages/phar/wp-cli.phar
Step 3 Step 3
Move downloaded wp-cli.phar
file in C:\wp-cli\
Step 4 Step 4
Create wp.bat
file in C:\wp-cli\ and write below code in it.
@ECHO OFF php "C:\wp-cli\wp-cli.phar" %*
Or
Download file from below Gist
Step 5 Step 5
Open system environment and set C:\wp-cli
as an environment path.

Done!
Open Command Prompt and type command wp
and press Enter. It’ll show you the like the below screenshot.

Not work on Git Bash? Not work on Git Bash?
Create another file wp
without any extension into the C:\wp-cli\
directory and paste below code:
#!/usr/bin/env sh dir=$(d=${0%[/\\]*}; cd "$d"; pwd) # See if we are running in Cygwin by checking for cygpath program if command -v 'cygpath' >/dev/null 2>&1; then # Cygwin paths start with /cygdrive/ which will break windows PHP, # so we need to translate the dir path to windows format. However # we could be using cygwin PHP which does not require this, so we # test if the path to PHP starts with /cygdrive/ rather than /usr/bin if [[ $(which php) == /cygdrive/* ]]; then dir=$(cygpath -m $dir); fi fi dir=$(echo $dir | sed 's/ /\ /g') "${dir}/wp-cli.phar" "$@"
Great!
Now open git bash and type command wp
Eg.

Source https://deluxeblogtips.com/install-wp-cli-windows/
Thanks for the suggestions Uttam Sharma!
Very Helpfull
Thanks for your valuable comment.
Working for me at first guide! Thanks!
Wow great job
This was so helpful I spent all day trying to figure this out.
Specifically the not working in git bash part!
Thanks. Worked for me like a charm.