change language

[tounsi]

hello, i add inscription page in my website, haw can i change automatic language? can you helpme please ? 

[tounsi]

<iframe src="https://us02web.zoom.us/meeting/register/tZEkcuuoqDwqGtVkrTespNi9-iJbbuzHhEqH?_x_zm_rtaid=mfoPJ_VNSQ..." width="1000px" height="1000px"></iframe>