How to add extensions on google chrome

- How to add extensions on google chrome mobile
- How to add extensions on google chrome iphone
- How to add extensions on google chrome ipad
- How to add extensions to google chrome app
- How to add extensions to google chrome on android
- How to add google chrome extensions to opera
- How to add google chrome extensions to opera gx
- How to add google chrome extensions to safari
- How to add extension in chrome