Anyone have solution for this.?

Hello,
My blog name in ExploreTheme.com

1st Problem :
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Where in My posts writing panel i can not able to add meta tag.
So can anyone give me a solution for how to add this option.

For Better Understanding a Problem
This is a screenshot link : http://s16.postimg.org/4r5yh7dwl/screenshot_by_nimbus.png
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2nd Problem :
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When i add new page there is no any option to add SEO titles,
Description, Tags etc.

For Better Understanding a Problem
This is a screenshot link :
http://s24.postimg.org/8cp4btmsl/screenshot_exploretheme_com_2014_09_13_10_50_28.png
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https://wordpress.org/plugins/wordpress-seo/