You might want to open two files in two separate windows to compare them. Also, if you want to edit two files simultaneously, you need to open them separately. That is why you can change Notepad ...

But, there are two caveats here, it can only be used for ... Many image viewers refuse to open an RW2 image, but these will surely open an RW2 file in Windows 11/10. Yusuf is an Engineering ...