Today Microsoft has released a new app called Microsoft pay. This app replaces Microsoft wallet app. This app is now available to download for Windows 10 PC users.
This app brings the support for the Payment Request API to its Microsoft Edge browser and allows users to do online shopping.
Although the app is available for both Windows 10 and Windows 10 mobile and Payments API will also be available for UWP apps in the Windows Store. But for downloading the app its require a minimum OS version of 16299 (Redstone 3),which is not possible for smartphones. Its mean that the app is currently available to download only for Windows 10 PC.
You can download the app from the link given below.