Pale Moon retains the highly customizable user interface of the Firefox version 4–28 era. The main differences are the user interface, add-on support, and running in single- process mode. Pale Moon originated as a fork of Firefox, but has subsequently diverged. There are official releases for Microsoft Windows and Linux, as well as contributed builds for various platforms. Pale Moon is an open-source web browser with an emphasis on customization its motto is 'Your browser, Your way'.

Binaries: Proprietary freeware, or MPL-2.0 if branding is removed.

You can also use roytam1 Browser Installer to download and install it easily.

If you did not successfully install the SSE1 version, try the version without SSE. If it works, congratulations! You have successfully installed a working browser on your legacy system without SSE2.

Open 7-Zip and extract the version of New Moon you downloaded into a folder.

Download the most recent 32-bit SSE1 (the versions with an -sse suffix) version before trying the most recent 32-bit version without any SSE (the versions without a suffix). As 7-Zip does not require SSE, there is no problem related to that.

Download and install the 32-bit version.

It may show an HTTPS certificate warning on Internet Explorer just ignore it. However, the package is in 7z format, meaning you will have to install 7-Zip as well. Setting up New Moon is a bit more complex than Mypal, as it has no installation process and comes with all of its files decompressed out of the box. New Moon: A Browser For Non-SSE2 Computers

Otherwise, you have successfully installed a functional, updated web browser on your legacy system!

If you get an error about SSE2 during installation, go to the next chapter. Visit the Mypal download page and download the applicable version for your CPU architecture. Try this browser first if you do not know whether your PC supports SSE2 or not. 2 New Moon: A Browser For Non-SSE2 Computers.

Mypal browser xp 32 bit