From your Windows PC, create a network place; here are the steps to do this:
1. Click on the Windows Start button and click on My Network Places.
2. Select Add a Network Place under Network Tasks from the left-hand side menu
3. Click on Next
4. Select “Choose another network location” and click Next
5. Enter the Mac IP address or computer name. Prefix it with two backslashes and follow it with a single slash and the short user name.
6. Enter a name for your connection in the text box then click Next.
7. In the end, click Finish
8. Go to the Network Places again and double-click the Mac share you want to open.