im not able to install anything

check your iPhone storage

How to check the storage on your iPhone, iPad, and iPod touch - Apple Support

What's taking up all your space?

If you have an issue with 'other' taking up a bunch of space..

Clear Other storage on your iPhone or iPad - Apple Support

XzAlphaloyal Said:

"it keep saying I have no storage but I deleted half of my apps and it says the same thing"

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Try This:

First backup* your iPhone and then restore** your iPhone from the backup. See where things go from there.

*Backing Up: How to back up your iPhone, iPad, and iPod touch - Apple Support

**Restoring: Restore your iPhone, iPad, or iPod touch from a backup - Apple Support

What happens when you try?