I’m unsure please help!

Answer:
Install it on just your computer
Explanation:
You never really know if software is safe to download so just in case you can just download it and test it on your computer, definitely not work laptop because if it as unsafe piece of software you will most likely lose your work.
Answer:
the third one
Explanation: maybe the third one because its safer just on yours so it doesnt infect your work or familys computer