To switch off IPv6 in Windows 10, follow these steps:
Open Network Connections:
Right-click on the Start button and select Network Connections.
Alternatively, you can press Windows + R, type ncpa.cpl, and press Enter.
Select Your Network Adapter:
In the Network Connections window, find the network adapter you are using (e.g., Ethernet or Wi-Fi).
Right-click on the adapter and select Properties.
Disable IPv6:
In the Properties window, look for Internet Protocol Version 6 (TCP/IPv6) in the list.
Uncheck the box next to it to disable IPv6.
Click OK to apply the changes.
Restart Your Computer:
It’s a good idea to restart your computer to ensure the changes take effect.
After following these steps, IPv6 should be disabled on your Windows 10 system.
If you need to enable it again in the future, simply follow the same steps and check the box for Internet Protocol Version 6.