Is your Microsoft Store missing, crashing, or refusing to open? Don't worry! In this comprehensive 2026 guide, I’ll show you exactly how to install and re-install the Microsoft Store on Windows 10 and Windows 11. We will cover everything from simple resets in the settings menu to using powerful PowerShell commands to force a fresh re-installation of the Store framework. Whether you accidentally deleted it or it’s just buggy, these steps will get your apps downloading again in no time!