Download wallet for your smartphone !
Android :
https://play.google.com/store/apps/details?id=com.wavesplatform.wallet
iOS :
https://apps.apple.com/us/app/waves-wallet/id1233158971
The app is presently not available for Windows Mobile.
Link to the video tutorial to install the wallet :
https://youtu.be/n79V7Ypty9Y