The "Our services aren't available right now" error at download.visualstudio.microsoft.com generally indicates a network blockage, ISP restriction, or CDN issue affecting the Visual Studio Installer. Immediate solutions include switching networks, utilizing a VPN, running the installer as an administrator, or creating an offline installation layout. Technical troubleshooting, such as updating the Windows hosts file or enabling TLS 1.2, can also resolve connectivity failures. For comprehensive troubleshooting, consult the Microsoft Q&A .
Visual Studio - Error: Unable to download installation files The "Our services aren't available right now" error