We Will Install And Setup Spigot Host In Which The Most Of Errors Are Fixed Because It Is More Optimized Than Vanilla, Normal Ones.
Step 1
Download Spigot For Any Version Here.
Step 2
Put It In Any Empty Folder And Run The Jar File:

Step 3
It Will Create Some Data For It, You Have To Open eula.txt And Change From "false" to "true":

Step 4
You Can Change Some Settings In server.properties Like Turning Toggling PvP or Changing Gamemode Or Seed.

Step 5
Disable online-mode In Server Properties, Otherwise TLauncher Players Can Not Join (Enabling It Won't Enable You To Play It Online Without RadminVPN)

Step 6
Open Notepad And Paste This In It:
@echo off
title Spigot Server
chcp 65001
java -Dfile.encoding=UTF-8 -Xmx1G -jar spigot-1.16.1.jar
pause

(Replace spigot-1.16.1.jar with "Your Jar File Name")

Step 7
Go To File And Click On Save As And Save It In The Same Folder As The Jar File And Name It run.bat And Save It

Step 8
Run The File That You Saved:

Step 9
If You Are Playing On Older Version Of It, It Will Show This For 20 Seconds And It Will Start

Step 10
Wait Until It Starts Then Start Your Minecraft And Goto Multiplayer

Step 11
Go To Direct Connection Then Paste RadminVPN Host's IP (Paste Your IP If You Are The Host):

Step 12
Tell Your IP To Your Friend And Tell Him To Join You


F.A.Q
Question 1
Is Giving My RadminVPN IP To A Random Person Safe?
Ans: Yes, It Is Safe To Give Your RadminVPN IP To Random Person He Can Just Join With It, But Giving Your Public IP Is Not Safe. (Your Router IP)
Question 2
I Am Still Getting Some Errors, How Do I Fix It?
Ans: Try Disabling Firewall,
- Open Control Panel.
- Select System and Security.
- Choose Windows Firewall.
- Select Turn Windows Firewall on or off on the left side of the screen.
- Select the bubble next to Turn off Windows Firewall.
- Select OK to save the changes.
Question 3
How Do I Give Cheats To Someone?
Ans:
- Open Console
- Type "op <Username>" (To Remove Cheats Type "deop <Username>")
- Press Enter



You need to install Java, here is a link
https://www.java.com/ru/