try ontrack easyrecovery software....
but since a lot of time has passed from you deleting the file, it is highly probable that the place in the HDD was overwritten with new files..
so Its difficult to tell whether you will get your file back or not.. anyway no harm in trying.
how frequently you used the PC after deleting the file.. if you created a lot of files or copied deleted etc... i.e. if a lot of HDD activity happened in My Documents then.. mostly your deleted file is gone for good
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