Control-click (or right-click) on the column header in the list-view.
In the Insert column > Properties menu, choose the column you want to add.
Some data-sources allow you to download and display fundamental data. To add a fundamental data column, use Insert column > Fundamentals.
In the same way, you can add built-in or custom indicator values with Insert column > Indicator.
Control-click (or right-click) on the column header you want to remove, then click Remove.
To change the order of columns, drag their headers with the mouse.
To change the size of a column, drag the right-side border of its header.
Single-click on a column header to sort stocks according to this column. Single-click a second time to reverse the order.