Answer:
Top area of Word, the second segment.
Explanation:
To make it bold, press the "B" button and to change the colour press the "A" underlined with a colour (normally red).
I will hope this helps :p
Cleaning up a system helps clear up the space on the drives. It may also clear up processor usage, ram usage if you uninstall programs that automatically started when the system booted. You may also delete some unwanted programs in the process.