Hello, in this guide, I'll be telling how you can increase your internet speed in windows 10. Windows 10 is a personal computer operating system developed and released by Microsoft as part of the Windows NT family of operating systems. Windows 10 has some great features, so it requires a lot of internet. For the one who doesn't have fast and unlimited internet and they are tired of keep on resetting their PC, this guide is very helpful for them. I've total 5 methods to increase/fix the internet speed on windows 10.
Methods
Method - 1
1 - Go to start, and click on settings, scroll down and you'd see Updates and Security, click on it.

2 - Select Windows Update and click on the Advance option.

3 - Click on "Choose how updates are delivered"

4 - You would see a box, just untick it. (( switch it off ))

5 - Here the method 1 ends.
Method - 2
1 - Go to start, and click on settings, click on Network and Internet.

2 - Select wifi and click on your wifi (( on which you're connected )).

3 - Your metered connecting might be off, just turn it ON.

4 - Method 2 ends.
Method - 3
Note:- This will disable Windows update.
1 - Go to Control Panel, and click on administrative tools. If you're not able to see it just set the 'View by' to the large icon.
2 - Search for services and click on it.
3 - Search for 'Background Intelligent Transfer Services' [BITS] and stop it, then disable it.
4 - Now search for Windows update in services and do the same, stop and disable. (( To update your window just enable it like the way you disabled it ))
5 - Method 3 ends.
Method - 4
1 - Go to settings, and select Background apps at the last.
2 - Turn off all the application which you don't use much.
3 - Close it and you're done.
Method - 5
Note: This is an easy way, all you've to do is turning the live tiles off.
1 - Click on start, and you'd see many tiles of other applications.
2 - Right-click on any of the tile and select more.
3 - Click on turn the live tile off.
4 - Method 5 ends.
I hope this all methods helped you to fix the Internet problem in windows 10, if your internet is still working slow then feel free to PM / VM me and I'll help. This is for the ones whos Internet works fine on other devices but not on PC. Good luck in fixing the problem! And yes, excuse my bad grammar. Found a mistake? Feel free to PM me.
Credits:- Hank James - Original creation and testing of all methods.