Check the official Unstable SMP social media or website for join instructions
Look for public application forms or whitelist signup links
Join the official Discord server if one is provided
Read the server rules and requirements carefully
Complete any application or verification steps
Wait for approval or whitelist confirmation
Use the provided server IP or invite link to join Minecraft
Make sure your Minecraft version matches the server version
Use the exact username or account linked during signup
Contact the server staff through official channels if you need help