finbarr69 "For Wi-Fi connections: Go to Settings > Network & Internet > Wi-Fi. Click the adapter properties link, then select Edit IP assignment or Edit DNS server assignment and it will be available in the popup. https://blogs.windows.com/windows-insider/2020/08/05/announcing-windows-10-insider-preview-build-20185/
You can add any IP address listed https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftechcommunity.microsoft.com%2Ft5%2Fnetworking-blog%2Fwindows-insiders-can-now-test-dns-over-https%2Fba-p%2F1381282&data=04%7C01%7CJennifer.Gentleman%40microsoft.com%7C22d20dffb8a540be595f08d8389ede15%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637321602278052551%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=yIXBda7jt4wXuDrmbzYacSLBb%2BHMEgx8et%2BQVm%2BPaoU%3D&reserved=0 to unlock the DoH dropdown and choose to use encryption. Once encryption is enabled, you can confirm it’s working by looking at the applied DNS servers in the network properties and see them labeled as “(Encrypted)” servers. If you want to try a custom DoH server we don’t recognize yet, you can configure an IP address to be recognized as a DoH server by using the netsh command documented here at the end of the blog post."