Right click on the drive you want to share (C:). Select Share with and then Advanced Sharing.
In the General tab, choose a name for your new drive.
Go to Windows start and select Settings
Select Network & Internet
In the Status tab, scroll down and select Network and Sharing Centre.
Select Change advanced sharing settings.
Check Turn on Network Discovery and check again Automatic setup of network connected devices. Don’t forget to hit Save changes.
You have to Map a Drive from the computer that will access the remote computers Drive. This way, you will not have to type the network address every time you need to access your files.
Select the File Explorer from the taskbar, and then right-click on This PC and select Map network drive.
Select the drive in this PC to represent your remote drive. Enter the path to the folder located in the remote computer. Check Reconnect at sign-in; hit finish, and you are done.
Note: The remote computer has to be ON when you connect the drive.