为什么按f12也不能出现hackbar，专门去下了个低版本的火狐，火狐52.0。why can not display the hackbar through pushing down F12？My firefox's version is 52.9.0esr, I do not know how to open the hackbar.

i cant able to hv trial ??

newly updated license was not friendly to chinese users!!!!!!! Please add Alipay!!!!!!

i dont know how to pay in CN

提示需要license，但找不到具体在哪

good