How to allow multiple versions to connect to your FreeMC Server with ViaVersion
Tutorial written by NickE
Requirements:
A FreeMC.Host Minecraft Server. Create one here for free
Step 1: Open the ViaVersion Spigot page
Link: https://www.spigotmc.org/resources/viaversion.19254/ This is the plugin that allows multiple versions to connect to your server.
Step 2: Click Download on the top right
After a few seconds (but can take up to a minute), the plugin will download from Spigot's website to your Downloads folder
Step 3: Open the panel
This is located at panel.freemc.host - you should be logged in automatically with your account
Step 4: Click on the server
These are shown in a list
Step 5: Select File Management on the left
Step 6: Click on the plugins folder
If it doesn't exist, start your server and it should automatically create
Step 7: Drag the plugin to the middle of the page and wait for it to turn green
Step 8: Go back to the console and restart your server
Open your minecraft client and check if it works