2 Accounts on the Same PC - I just want ONE account

Hello All,

Microsoft had me create a second account on my PC so that I could get into their store.  Ugh.  Mistake.

Let's call them account A and Account B.  I am talking hear about my log-in screen.  I select if I want account A or B via clicking on my selection in the lower right hand corner.  I type in the password (it is the same for both accounts) and I go to the desktop of whichever account I selected.

Here is my problem.  I know how two 'versions' of PSE 15, one for each account.  The versions are not equal in their content.  With account A, I get under the 'Media' title in PSE this info: '1 of 66,112".

When I repeat the above on the other account -- I get different info.  Under "Media" no data is given (ie. like in the above example of '1 of 66,112).  When I look at the left hand corner, I get this bit of info:  '1558 items' are in Account B.

     I don't want these two versions of PSE on my laptop.  Is there a way that I can merge the two accounts without loss of data?  Once      that is done, I would like to delete the version that has the lesser items of of PSE.

Then I will back up the ONE version to my external HD.

Thank you for your time and consideration.  It is greatly appreciated,

Dean