How do I activate an indicator. It is not showing an activation button and it will not allow me to put on my MT4 account

 
How do I activate an indicator.  It is not showing an activation button and it will not allow me to put on my MT4 account
 

Make sure that you are logged into your MQL5 account in MT4 >> Tools >> Options >> Community tab and then go to the Market tab, down in the Terminal window.

Click on the Purchased option on the left side and then the blue Install button on the left of the indicator.