Watch the video:
Timestamps:
0:00 - Explanation
0:32 - Finding world & save files
1:03 - Uploading world to online server [GameServers etc.]
1:15 - Importing world files to local Dedicated Server
1:30 - Selecting world after Finding/Uploading world
2:26 - Connecting to the world [Proof]Downloaded a world off the internet, or want to use a friend’s? Maybe want to import an offline Valheim save to the dedicated server either running on your computer or a VPS? Well, this video shows you everything you need to know about importing existing worlds to a server.
LocalLow: %USERPROFILE%/AppData/LocalLow/
Other Valheim Videos:
- Savegame editor: Go to post or View on YouTube
 - Fix stuttering + More: Go to post or View on YouTube
 - Backup/Restore worlds: Go to post or View on YouTube
 - Fix Incompatible Version: Go to post or View on YouTube
 - BepInEx Install: Go to post or View on YouTube
 
Valheim Server Videos:
- Item Drop Rate & Stack Size Mod: Go to post or View on YouTube
 - MODDED SERVER GUIDE (uMod): Go to post or View on YouTube
 - Valheim+ Mod Install: Go to post or View on YouTube
 - Server Setup Guide: Go to post or View on YouTube
 - Give admin & run commands: Go to post or View on YouTube
 - Import/Upload world to server: Go to post or View on YouTube
 - Fix server not showing up: Go to post or View on YouTube
 - Updating your Valheim Server (Vanilla & Modded): Go to post or View on YouTube