Here is something you can try.
Addition to step 2 check settings for all networks:
On your computer go to folder C:\Users and right click Public
- Open Properties.
- Select Security tab and click Edit.
- On Permission dialog click Add.
- New dialog open and you can add "User" Everyone and click OK.
- When back to Permissions dialog select which rights you want to give other users.
- This same work for any folder you create and want to share your home network.
Now anyone on your home network should have access to shared folders without credentials or having user account on your computer.
More detail who I have setup my network to work with Windows v1803.