How to find the Plesk version?

For Linux

1. Log into the server via SSH.
2. Execute the command below:
   

   # plesk version
   Product version: Plesk Onyx 17.8.11 Update #71
   Update date: 2019/10/17 04:13
   Build date: 2019/10/09 10:59
   OS version: CentOS 7.6.1810
   Revision: 710247408812d123e5ce26852ea1a0a9622cabfe
   Architecture: 64-bit
   Wrapper version: 1.2

   Note: alternatively the Plesk version can be found in /usr/local/psa/version by executing the command:

   # cat /usr/local/psa/version
   17.8.11 CentOS 7 1708190409.21

For Windows

1. Log into the server via RDP.
2. Start the command prompt.
3. Execute the command:
   

   C:\>plesk version
   Product version: Plesk Onyx 17.8.11 Update #71
   Update date: 2019/10/18 02:15
   Build date: 2019/10/09 11:03
   Build target: Windows 2008/2012/2016
   Revision: 710247408812d123e5ce26852ea1a0a9622cabfe
   Wrapper version: 1.2

   Note: alternatively the Plesk version can be found in C:\Program Files (x86)\Plesk\version file.