In the second step, cut your picture to a square.
The steps to do this are:
1. Select the picture
2. In the upper bar in “Format” look for Cropping
3. Drag the frame to a square format. Alternatively, enter the desired values for height and width.
4. Click the Crop button again
You should now be able to see your picture in a square cut.
If you do decide to use an effect, such as a shadow, you can make various settings.
The steps to do this are:
1. Select photo
2. Select “Image Effects” under “Format”
3. Go to “Shadow” and select a shadow. Preferably from the “outside” area
4. To change the settings of the shadow, click on Shadow Options
5. A menu opens in which you have various settings to choose from