ユーザー登録 でしょう
yūzātōrokudeshō
1. Probably registration.; Likely to register.
Noun
#127515
1. Probably registration.; Likely to register.
1. user
1. registration number
1. registration; accession
1. registered trademark
1. registrant; subscriber
1. it seems; I think
2. right?; don't you agree?
1. If user; When user
1. Was a user.
1. if user; when user