You can edit the retail window for one or more colorways by following these steps:

1. View the colorway you want then select Edit period from the Actions menu as shown below:

2. Click Edit period, the following window appears:

3. Select the period from the menu, 
4. Select the retail intro month, and retail exit month, each from its menu, the respective shipment start date and shipment end date are displayed as shown in the below example:

Click Update. More information is available in Edit period.

You can also click the checkbox(es) next to the colorways you want then click the Edit retail window button from the lower toolbar as shown in the below example:

When the button is clicked, the following window appears:

Select the retail intro month and retail exit month, then click Update. More information is available in Edit retail window.