Plesk can be upgraded either via a browser or a command-line interface directly on a Plesk server.
During the upgrade process: Plesk will be unavailable and Websites will stay online.
Note: To find out if your operating system supports the next release, visit the Plesk Lifecycle Policypage. ( https://www.plesk.com/lifecycle-policy/ )
1. Upgrading Plesk via a browser:
Note: Make sure that port 8447 is opened in firewall. If it is closed and cannot be opened, use the command-line instructions.
In Plesk, go to Tools & Settings and click Updates and Upgrades.
On the Updates and Upgrades page, click Install or Upgrade Product.
On the Install or Upgrade Product page, select a Plesk version from the drop-down list and click Continue to begin the upgrade procedure.
2. Upgrading Plesk via a command-line interface:
Connect to a Plesk server via SSH/RDP.
Start Plesk Installer:
- On Linux, run command:
- On Windows Server, start a command prompt as an Administrator and run the command: