The following tables show the recommended operating system (OS) versions and architectures for use with the Bot Framework Composer v1.3 or later. Composer is designed for x64 architectures.
Windows
OS
Version
Architectures
Windows 10
Version 1607+
x64 or x32
Windows Server
2012 R2+
x64 or x32
Nano Server
Version 1803+
x64 or x32
macOS
OS
Version
Architectures
macOS X
10.14+
x64
Linux
OS
Version
Architectures
Ubuntu
18.04, 20.04
x64
Debian
9+
x64
Node.js (built from source)
If you're building Composer from source, the table below shows the Node.js versions that Composer will run on.