Go to my computer.
Highlight the drive you want to share.
Right click, and go to sharing and security.
If it doesnt take you straight away, go to the sharing tab.
Then on the networking part of this, click on the share this folder on the network. And if you want to be able to change any of the files, then click allow other users.
If its the first time, you share a drive, it will say, that it needs your permission etc.
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