If the app is still technically "installed" but won't open or is hidden, you can force Windows to repair it. Go to > Apps > Apps & features . Search for Calculator in the list. Click it and select Advanced options . Scroll down and click Reset .
Once the process finishes, search for "Calculator" in your Start menu. Method 2: Use the "Apps & Features" Reset
How to Download and Reinstall Calculator on Windows 10 Without the Store Method 1: Use Windows PowerShell (Recommended) how to download calculator on windows 10 without store
Right-click the Start button and select Windows PowerShell (Admin) .
If you prefer the old-school Windows 7 style calculator or truly cannot get the modern app to work, you can download the "Classic Calculator for Windows 10." If the app is still technically "installed" but
Is your completely missing or just broken?
It is a standalone .exe file. It does not rely on the Microsoft Store framework or "Universal Windows Platform" (UWP) services. Click it and select Advanced options
Copy and paste the following command and press Enter: Get-AppxPackage -allusers Microsoft.WindowsCalculator