We've already talked about Wi-Fi network issues, but you've probably heard that Windows 10 is breaking people's Wi-Fi connections on their laptops and PCs. After that, Microsoft released a patch to fix the issue, though it didn't appear to work for everyone.
If your Wi-Fi goes out now (or in the future), Microsoft's latest advice is to restart your computer. It's important to note that this refers to restarting the computer rather than shutting it down and then turning it back on. By pressing the Start button, then the Power button, and then Restart, you can restart your computer.
If that doesn't work (and our previous suggestion didn't), Microsoft has a whole help page dedicated to resolving network connection issues in Windows 10, with a variety of possible solutions to try. So get yourself over there and cross your fingers.