What does 注册 (zhù cè) mean in English?

Card 1264HSK 2010 Level 51264/1311
CARD1264
PROGRESS96%
注册
註冊
zhù cè
to register; to enroll

Reveal: Click/Space/Enter/↑↓/w/s/j/kNavigate: ←→/h/l/a/d