System Requirements

Windows

Operating Systems (32-bit and 64-bit)

Please note that SeaMonkey 2.49.5 was the last release to run on Windows XP and Vista.

Minimum supported Hardware

SeaMonkey on Windows needs a CPU supporting the SSE2 instruction set.

macOS

Operating Systems

Please note that SeaMonkey 2.53.14 was the last release to run on OS X 10.9 and 10.10. Because of a build error SeaMonkey 2.53.15 does not run on OS X 10.11.

Minimum supported Hardware

Linux

Software Requirements

Please note that Linux distributors may provide packages for your distribution which have different requirements.

Minimum supported Hardware