Widgets are frequently used to create sidebar or footer. Beside default WordPress widgets, Constru added number of job and resume custom widgets. To view all Widgets, navigate to Appearance > Widgets. You can drag and drop widgets from left side list into footer columns or sidebars as you want. Here is the list of Constru Custom Widget you may want to use to have sidebar and footer like in Constru demo.
Noo Category
Show all posts of one category on Blog post. Can be used in Footer for displaying title of one category.
Noo About
This widget describes some information of you team or you can upload your logo for your site. Can be used in Footer.
Show all social media which is used in your site. Can be used in Footer position.
Noo Location
Use this widget if you want to create list location on footer position.