1) back up your data
2) delete any personal information
3) clear cookies, browsing data, and saved passwords
4) restore any settings you may have changed to original settings
“The Quick Access Toolbar provides access to frequently used commands, and the option to customize the toolbar with the commands that you use most often. By default, the New, Open, Save, Quick Print, Run, Cut, Copy, Paste, Undo, and Redo buttons appear on the Quick Access Toolbar” -Information Builders
This is in the wrong caterigore and yes the answer is 8.0 × 103 N