There are a lot of important Windows settings you can only change by editing the Registry. For example, in Windows 10, you need to tweak the Registry to bring  your mouse up to maximum speed or stop the Edge Browser from restoring all its tabs after a crash. However, editing the Registry can be time-consuming, as you have to navigate around a huge tree structure to find the right “keys.” It also can be risky because you can harm the user experience if you accidentally delete the wrong thing. You certainly wouldn’t want a semi-computer-literate user touching the Windows Registry.
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https://www.laptopmag.com/articles/create-reg-file-for-registry-hacks