[Help][Error]When Installing Ionic with NPM/Git Bash/CMD

Hi, i’m new to Ionic and trying to install it with NPM/Git Bash/CMD
but i’m facing a problem,

these are my three screenshots

Errors that i spotted :
fail to download from github

Python2 is not found ( i have installed Python 2 on my system )

then i tried to reinstall nodejs. and this what i got
third screenshot:

please, i need help
and i’m sorry if i post this topic in a wrong section of forum, thank you

hi, did you end up solving this problem?