Select the folder which you want to share
Right click on the folder -> click on properties
Click on share tab -> then click on share button on the window
A New window will open, which will ask for user you want to share folder with
If you want to share it with everyone on the network, select everyone, otherwise select the user name
After selecting user click on share
Click on Done. Now your folder is shared.
Go to the other computer where you want to access the folder, click on network
All the computer which have shared folder will appear, slect the computer from which you want to access the folder
Once you click on the computer name, will will ask for user name and computer password, put the details in it. Click okay.
All the shared folder will appear in it.