my iphone 5s doesn’t install

Hi aminumakama,

Thank you for participating in the Apple Support Communities. If you are trying to update, here are a few steps to help with that:

1. Connect to a strong true Wi-Fi connection as this will not work using a hotspot.
2. Follow the steps listed in this link to see if they help: Update your iPhone or iPad - Apple Support
3. If the issue persists, try the steps here to see if they resolve the issue: If you can't update or restore your iPhone or iPod touch - Apple Support
4. For further support, contact Apple Support here: Contact - Official Apple Support

Have a great day.