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Also on this first screen is a list of changed, new, and deleted files. Click the "Check Files" button to verify that the files have been uploaded, and attempt to remove the unneeded files.

Do we NEED to removed unneeded files?

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The next screen will list the changes to the language files. If you uploaded a new copy of the "languages" directory in an earlier step, click the "I have updated my language files by hand" button. Otherwise, click the "Update my language files" button.

This has me slightly confused because we were instructed to upload that directory in the earlier step. (In what case would we NOT be doing that?)

Thank you!