Because Microsoft ended support for Windows 7 in early 2020, there are no official updates to add this feature. How to Get Apps on Windows 7
The official . The Microsoft Store (formerly Windows Store) was introduced with Windows 8 to support a new type of application known as "Universal Windows Platform" (UWP) or "Metro" apps. These apps require the Windows Runtime , which is built into Windows 8 and later but is entirely absent from Windows 7. windows store for windows 7