You can easily import your Valheim world, located on your computer, to your server.
Find your world files
You will need to go to
C:\Users\yourPCUsername\AppData\LocalLow\IronGate\Valheim\worlds path and copy yourWorldName.db, yourWorldName.fwl, yourWorldName.fwl.old.
If you have disabled Steam Cloud saves, you can find world files in the
Upload world to your Valheim server
1. Stop your server.
2. Go to File Manager that is located on the Fragify panel, navigate to
3. You can drag and drop world files or use the Upload button.
4. Navigate to the Configure option on the left-side menu and look for the World Name variable. Change it to the name of your uploaded world.
5. Start your server, and it will load your world.