Can I use the old Windows Calculator on Windows 11?
You can use the old Windows calculator under MS Windows 11, but you have to copy it from the old Windows!
However, there is the Microsoft Calculator Plus, which is identical to the old Windows calculator! Install the Microsoft Pocket Calculator Plus after the download: ►► ... Download Calculator Plus! After the installation, start Pocket Calculator Plus via Windows 11 Start, or open the directory: C:\Program Files (x86)\Microsoft Calculator Plus\ Now you just have to switch it to Classic. And you already have a classic calculator for your new Windows 11.