Maximize, Minimize and Close

 How to minimize opened folder?

To minimize your windows just click on the ( - ) button on the right corner of your windows.

How to maximize opened folder?

To maximize your windows just click on the square button on the right corner of your windows.

How to close opened folder?

To close your opened folder just click on the cross button on the right corner of your windows.

If you want more clarification about this look at the image below.