If you are looking for a creative tool, there is a separate app called Story on the Microsoft Store used for creating slideshow videos, which is unrelated to Xiaomi.
The most direct way to browse products, use coupons, and manage your account is via the official web portal. mi-store-app-download-for-pc
While there is no official, standalone app designed natively for Windows or macOS, you can still access Xiaomi’s marketplace and smart home services on your computer using a few simple workarounds. How to Get the Mi Store "Experience" on PC If you are looking for a creative tool,
If you need specific app-only features (like certain exclusive app-only deals or the Mi Home camera controls), you can use an emulator. How to Get the Mi Store "Experience" on
Xiaomi explicitly states that Mi Home and Mi Store apps do not have native PC versions and are not supported for direct use on Windows without emulators.
Story - Free download and install on Windows - Microsoft Store
If your "story" involves managing your physical Xiaomi phone (backups, file transfers, or flashing ROMs) rather than just shopping, the Mi PC Suite is the legacy tool designed for this purpose. Important Considerations