Robin has four copies of her midterm paper saved to a single folder on her
windows computer. she wants to move each of these four files into a
separate folder within the existing one. how can robin perform this task for
each file?

Click on the file so it's highlited and drag the file to the specified folder. Repeat 3 more times

to change your username, you must:

1) make sure what the username you want to change to is allowed in this community

2) contact a administrator (for example, jaysl)

3) through pm, tell the admin what you want to change to

4) if the username is allowed, it will be changed in a matter of seconds (minutes at most)

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