Don't Have Permission

Hello.
Can you please tell me – what do you mean by “Setting page”? Can you send me it’s url (or part url)?

Hello.
Please try it now – problem should be gone in latest updates.

how do I activate this plug-in?

Hello.
You can activate it as usual wordpress plugin. If you have some problems with htis – just tell me them here – and we will try to resolve them.