Data on WD external My Passport Ultra Drive

I have data on 2 separate WD external My Passport Ultra Drive. One drive is accessible on my new MacBook Pro and I can add folders, move & delete files. However, the second drive allows me to see the contents and copy it over but I can't seem to delete the content from the drive or add a new folder and manipulate to organize the files. I think that the tech person where I work may have formatted this drive differently. After reading previous comments, I think it may have to do with the formatting of the drive "WD drive is most likely formatted with the NTFS file system which is the default for Windows. OS X can read from an NTFS drive but can't write to it." Someone had mentioned that there are several add on drivers that can give OS X the ability to write to NTFS drives. In addition they stated One of them is

http://www.apple.com/downloads/macosx/system_disk_utilities/ntfs3g.html

I turned in all my PCs since I'm retiring and I'm wondering if the utility above would work to read & write on my Passport drive that isn't allowing it currently. I do not want to reformat the drive since I have data on it. I only want to be able to open files and either leave them or throw them in the trash for deletion. I'd also like to be able to add folders and move files to organize them. Will the utility linked above allow me to manipulate things off the Passport hard drive? I did not want to download the utility if it would not work. Thank you.