To upgrade to the new version 3.8.5 of IrriPro, please follow the instructions in this article.

According to the former version, the instructions to perform the update can change, see the table below:

VERSION	32 BIT	64 BIT	MAC
3.8.2, 3.8.1, 3.8	The update will NOT happen automatically. Download the version 3.5.5 32bit from previous versions page of IrriPro and run the installation. The previous version will be automatically uninstalled.	The update will NOT happen automatically. Download the version 3.5.5 64bit from previous versions page of IrriPro and run the installation. The previous version will be automatically uninstalled.	The update will NOT happen automatically. Download the version 3.5.5 for MAC from previous versions page of IrriPro and run the installation..
3.7.X	1) Right-click on the program icon 2) Select “Run as administrator” item 3) After opening the application, click OK in the window that shows the availability of the new version.	The update will happen automatically. Open the application and click OK in the window that shows the availability of the new version.	The update will happen automatically. Open the application and click OK in the window that shows the availability of the new version.
3.6.X	1) Right-click on the program icon 2) Select “Run as administrator” item 3) After opening the application, click OK in the window that shows the availability of the new version.	The update will happen automatically. Open the application and click OK in the window that shows the availability of the new version.	The update will happen automatically. Open the application and click OK in the window that shows the availability of the new version.

Please note that the freeware version can always be kept updated to the latest version (remains limited compared to the paid version), while the Lifetime versions can be updated for 1 year starting from the first activation. After one year you will need to purchase the upgrade license to receive subsequent updates.