Upgrading Plesk via the Plesk interface
Log in to 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.
Upgrading Plesk via a command-line interface
Connect to a Plesk server via SSH (Linux) / RDP (Windows Server).
Start Plesk Installer:
on Linux, run the command:
# /usr/local/psa/admin/bin/autoinstaller
on Windows Server, start a command prompt as an Administrator and run the command:
C:\> "%plesk_bin%"\ai.exe --console
Follow the on-screen instructions. For details, see: