Q: cant activate the new I messages features

Hi

Instructions for sending message effects and using other new features in Messages are available here:

• Use message effects with iMessage on your iPhone, iPad, and iPod touch - Apple Support
• Use Digital Touch on your iPhone, iPad, and iPod touch - Apple Support
• Use iMessage apps on your iPhone, iPad, and iPod touch - Apple Support
• Use Messages on your iPhone, iPad, or iPod touch - Apple Support

Note that you cannot send or receive message effects if Reduce Motion is turned on.

To check this setting, go to: Settings > General > Accessibility > Reduce Motion - turn off.