How to pronounce often and -ften -sten words

Do you pronounce the /t/ in often or is it silent? And what about other words with an "-sten" "-ften" combination of letters. British English pronunciation.

Intermediate and advanced English lessons on our youtube channel. Brought to you by LetThemTalk language school in Paris.

often,how to pronounce,how to pronounce often,British English,pronunciation,LetThemTalkTV,English teacher,Gideon,cours d'anglais,Paris,yt:cc=on,British accent,