Press and hold down the "G" key. This will cause the Emote wheel to pop up. Use your mouse to hover over the Emote you would like to use, then left-click to use it. If you do not see an emote on your list that you own, you may need to re-equip it from the Atomic Shop menu.
If you are playing with a controller, press 
[D-pad down]to open the Emotes Menu. Select an Emote with 
[Right Stick] then press 
[A] to trigger the Emote
Your character will play an animation for the Emote and an icon will appear above your head.
Players who can't see you directly can still see the icon from the Emote, letting other players find you more easily.
Note:
Emotes purchased in the Atomic Shop are unlocked for you to use via the Emote menu in-game. To use the Emotes that you have purchased, bring up your Emotes from in gameand hover / scroll tothe Emote "category" that your new emote is classified asand select the "Expand" option. This will display the additional emotes available for that category.
