You just wanna play Minecraft together?
If you want your friends to join your world, just download CraftIP, click connect and send the IP to your friends. They will be able to join without downloading anything using pure vanilla Minecraft.
Set up your server
Copy the port
Open your Minecraft world, hit esc and click on “Open to lan”
paste the port in to the box and click on “start lan wold”
Now the world is opened in your lan
Now go back to Craft IP and click on conect
Finally, copy the server IP and send it to your friends so they can join!