Adding a widget to your WordPress sidebar is quite simple.
Log in to your WordPress admin area and go to Appearance > Widgets. Click the Add button next to each widget you wish to add to your sidebar.
Once you have added all widgets you wish to appear on your WordPress sidebar, click the Save Changesbutton under the sidebar on the right.
If you want to see a video tutorial on how to add a widget to the WordPress sidebar, click Play Video on the screen below.