1. Select "Sender" role
2. Click "Create New Room"
3. Wait for room initialization
Troubleshooting steps:
1. Check your internet connection
2. Verify the room code is entered correctly
3. Try recreating/joining the room
4. Contact administrator if issue persists
Current version limitations:
1. Maximum 50 files per batch
2. Total size limit: 2GB
3. Original folder structures are not preserved
4. File names limited to 200 characters