Select to add to your studies.
Indicators are grouped by Upper Indicators (which will appear on the Chart) and Lower Indicators (listed below the chart)
Once selected, you can customize the parameters – including the type of line you want for Moving Averages.
The upper Indicator selection summary appears above the chart and has an associated toolbar that allows edits (gear) hide/display(eye), refresh, or remove..

 

Lower indicators can be displayed/hidden, move placement up/down, or delete it to truly customize your view.  

 

Make sure to Save Your New Chart Settings

 

Note:  You cannot alter System Views: Active Trader, Options or Standard View.  You will be prompted to either Overwrite or Save as a New Profile another available profile, such as Default or another Personal View.