Windows 7 SP1 with KB4474419 SHA-2 code signing support added
Windows 8
Windows 8.1
Windows 10
Windows 11
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.
Intel Core 2 Duo 1.8GHz or greater
AMD Phenom 1.8GHz or greater
2 GB RAM for the 32-bit version
3 GB RAM for the 64-bit version
500 MB of free hard drive space
macOS
Operating Systems
Mac OS X 10.11 or higher
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
Any Apple Mac running mac OS X 10.11 or higher
3 GB RAM
500 MB of free hard drive space
Linux
Software Requirements
Please note that Linux distributors may provide packages for your
distribution which have different requirements.
The following library versions (or compatible) are required: