Editor is not active

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Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; MALN; .NET4.0C; .NET4.0E; rv:11.0) like Gecko.

Link to the challenge:

Editor is not working. (?)

Editor is not working. i can’t write anything.

Are you using Internet Explorer??

Ideally, you should use Chrome