After you wear this outfit, please put this one on next.
After you try on these clothes, please get dressed in these next.
ーAfter you wear this outfit, please put this one on next.
「この衣装を着た後、次にこれを着てください。」
outfit で「衣装」
put on で「着る」
ーAfter you try on these clothes, please get dressed in these next.
「この衣装を着たら、次はこれに着替えてください。」
clothes で「衣装」とも言えます。
get dressed で「着替える・服を着る」
ご参考まで！
カナダ 
