Your phone comes with Gboard and Voice typing, which you can customize. You can also install different onscreen keyboard and voice typing apps from 


Read reviews of apps before you install them. Some apps look enticing but are full of frustrating ads.
You can always uninstall the app if you change your mind.
When you find a keyboard app you want, download and install it.
Most apps walk you through setup screens for your keyboard, and they may also open Settings where you turn it on.
In Settings, you choose which keyboard to use in all apps where you type with the onscreen keyboard.
To change keyboards, turn on the one you want to use:
Adjust settings:
Turn keyboards on 

You can have multiple keyboards on 

To remove a keyboard you downloaded, uninstall its app.
You can’t uninstall Gboard and Voice typing, which came with your phone.