how can i activate my i phone 5s from i cloud account

Hello aizafromkits kata,

Activating your iPhone is done through your carrier. I've included the section of the iPhone User Guide that explains how to do it below:

Set up and activate iPhone - iPhone
http://help.apple.com/iphone/8/#/iph3bf43d79

If you are unable to activate your iPhone, here are some things you can try:

Get help activating your iPhone - Apple Support
https://support.apple.com/en-us/HT201407

Have a good day!

- Judy