Related information
Developers and application users access Pega 7 Platform instances through a web browser. Designer Studio supports the following web browsers:
In addition, if you are using Internet Explorer, you are prompted to download Microsoft ActiveX controls.
Applications built on PegaRULES might not operate correctly in all supported browsers, if they require ActiveX controls or include custom (non auto-generated) user interface rules. As a best practice, upgrade your existing applications to use the HTML5 Document Type.