Option 1 - File Manager
If you are using Game Panel you can easily upload files straight to File Manager:
NOTE
Uploading directories is not possible - compress the desired directory first and then proceed with the upload
If you are using Multicraft, open the FTP Server Login section and create an FTP account if it has not been created yet. Then you will be able to access a web-based File Manager:
Option 2 - FTP
If you are using Game Panel, you can connect to your files via an FTP client such as FileZilla. Details for FTP connection can be found here:
Host: sftp://[Server_IP]
Username: Game Panel login username
Password: Game Panel login password
Port: 2223 or 2224
Be sure to replace [SERVER_IP] to your actual VPS IP
If you are using MultiCraft, head to the FTP Server Login section and create an FTP account if it has not been created yet. Then you will be able to use these details with your FTP client: