Nothing terrible will happen. You will still be able to use your computer with Windows 10 as usual. But what will eventually and gradually happen are:
- Software developers will cease to provide new version support for W10 and certain programs will now start to require a particular version of W10 (this already starts to happen in a smaller scale), starting with browsers like Chrome or Firefox then moved up to something like the Adobe CC Suite.
- Microsoft will be very persistent in trying to make sure that you eventually upgrade to W11 (or future versions of Windows). This already happened but the nagging and begging will become maddeningly constant unless someone or you find a way to turn it off.
- In regard to the first point, some hardware makers will stop providing support for W10 too. If you’re a custom person you’ll still have plenty of time to stay with W10, but that eventually will end. If you’re buying a new PC, chances are you won’t see new laptops or PCs came pre-installed with W10, and even if you could wipe the W11 installation and put W10 on - the increasingly proprietary nature of drivers and components on board will not guarantee if your new device will support W10.
Seconded Emacs. I use it for almost everything. I started using it for text editing and it slowly crept into basic web browsing, RSS reader, word processing (with org-mode and Markdown), presentation (through Pandoc/Beamer) and Elisp/C programming. It's gotten to the point where the only four programs I use daily on my Mac are LibreWolf, FreeTube, Logic Pro and Emacs.
Seriously if I could use Logic Pro inside Emacs I would.
- Software developers will cease to provide new version support for W10 and certain programs will now start to require a particular version of W10 (this already starts to happen in a smaller scale), starting with browsers like Chrome or Firefox then moved up to something like the Adobe CC Suite.
- Microsoft will be very persistent in trying to make sure that you eventually upgrade to W11 (or future versions of Windows). This already happened but the nagging and begging will become maddeningly constant unless someone or you find a way to turn it off.
- In regard to the first point, some hardware makers will stop providing support for W10 too. If you’re a custom person you’ll still have plenty of time to stay with W10, but that eventually will end. If you’re buying a new PC, chances are you won’t see new laptops or PCs came pre-installed with W10, and even if you could wipe the W11 installation and put W10 on - the increasingly proprietary nature of drivers and components on board will not guarantee if your new device will support W10.