Download PVsyst 6.39 (July 22, 2015)



Get a free evaluation mode version of PVsyst6 for one month.

If you have not purchased  it after this time, the program will run in demo mode.


PVsyst is an evolving program, that is permanently improved according to the User's needs.
Therefore, please inform us if you detect an error in PVsyst, so we can fix it as quickly as possible.


Version 6 is an upgrade of version 5.


Link to previous PVsyst6 versions



Full license

Evaluation mode

Demo mode

Time limit


Limited to 1 month




"Evaluation Mode"
in watermark on print-out

Not printable


See prices






Access to a restricted set of
locations and PV components
Not printable, not savable


Installation requirements:

  1. PVsyst is not meant to run on a server or on a Remote Desktop Client.

  2. It has to be installed on the workstation where it will be used.

  3. PVsyst runs only under Windows (with a virtual machine for others OS).

  4. The program works properly in full license mode only if the computer's date and time are correct and have never been modified.PVsyst is not liable if the program does not work because the computer's clock has been changed.


Required computer configuration

Operating System:


  • All Windows client versions currently supported by Microsoft: Vista/ 7/8/10 32/64 bit

  • Other OS like MAC OS X (see here) and LINUX are supported through the use of a virtual machine running Windows (for example VirtualBox).


OS not supported:


  • All Windows server versions


Other requirements:

  • At least 1 GB of RAM

  • At least 1 GB of free hard drive space

  • Minimal screen resolution of 800 x 600 pixels (SVGA)

  • .NET 4.5 framework (installed by Windows Update).



Ordering PVsyst:

  1. Order
    Place your order online. 

  2. Payment
    If you pay for your order directly by credit card, you will receive your activation key with your paid invoice within 3 business days. If you choose to pay by bank transfer, we will first send you an invoice, and you will receive your activation key(s) within 3 bunisess days after we receive your payment.

  3. Activation Key
    Enter your activation key (copy/paste) in PVsyst6, under the menu "license/status and activation".

Download version 5.74

Please note that this version is not available for new users. It is only for users who already have version 5 and do not wish to upgrade to version 6.


Download version 4.37

Not for sale.