Choose the Options item in the menu, then Customize the Columns. Check the boxes for the columns you want or uncheck for columns you'd like removed.
Optionally, right-click on the header and use the menu-style for faster changes.
When using the latter method, you can also choose Column layouts that you have saved previously, using Save Columns Layout. All of those layouts will be added to this menu, and can also be used from the command-line.
Use Reset Columns Layout to get the default layout.