Step 1: Upgrade Projects

First it is necessary to make a change in every project started in IDEA in the previous version of the plugin (i.e. Logic Manager) – you need to move the logics into a new subfolder: 

1. Open the project in IntelliJ IDEA.
2. In the project files tree, right-click on the root folder and choose New → Directory.
3. Enter CalculationLogic (exactly like this) as a name and click 'OK'.
4. Select all your logics and drag them to this new CalculationLogic subfolder.
5. Commit the changes in GIT.

Step 2: Upgrade IDEA plugin

1. In the IntelliJ IDEA Windows version, click 'File' and select 'Settings'. In the Mac version, click 'IntelliJ IDEA' and select 'Preferences'.
2. Open the Plugins tab.
3. Search for pricefx to find the plugin named pricefx-logic-manager-idea and click 'Uninstall'.
4. Click the Browse Repositories button.
5. Click the Manage Repositories button.
6. Select the repository URL and click the 'minus' button.
7. Click the 'plus' button to add a new custom repository.
   To get the new repository URL, go to this page (registered users only). 
   Optionally, click 'Check now' to see if the URL can be accessed. 
8. In the list of plugins, search for pricefx to find the plugin named pricefx-studio-idea.
9. Select it and click 'Install'.
10. Restart IDEA (as asked by the system).

Step 3: Update Project Libraries

Apply the latest documentation and auto-completion in your existing projects:

1. Open the project in IntelliJ IDEA.
2. In the project files tree, right-click the root folder and choose 'Open Module Setting'.
3. Click 'Libraries', select all in the middle and remove them using the 'minus' button.
4. Click OK to close the Project Structure dialog.
5. In the project files tree, right-click the root folder and choose 'Add Framework support...'.
6. Select 'Price f(x)' and click 'OK' to close the dialog.