==For users of GNU/Linux==
Malayalam Fonts are available [http://
download. savannah. nongnu.org/releases/smc/fonts/ malayalam-fonts -04/ here]. For installing fonts open your font folder (For Fedora open your file browser, type ''''' fonts:///''''' hit enter; For Ubuntu open your file browser type ''''' /usr/share/fonts/truetype/''''' hit enter) and paste fonts in that folder. Restart any application that may need to use them. Your browser may need to set appropriate font (Font [http:// download. savannah. nongnu.org/ releases/smc/fonts/ malayalam-fonts-04/ Rachana_04.ttf Rachana] works fine, anyway check [http:// fci. wikia. com/ wiki/SMC/ Fonts this page] for finding appropriate font for you). Font setting for Firefox browser is available at Edit->Preference->Content->Advanced.
If you are using [http://www.chromium.org/ Chromium browser] (or Google chrome), sometimes you may find some minor display errors such as overlapping words or different sized words. You can fix this easily by setting a particular font (Preferably Rachana) explicitly for web content. For this, go to Settings (Click spanner icon on your toolbar), and select preferences. On the current window click ''"Under the hood"'' tab, and click the button ''"change font and language settings"'' in ''"Web content"'' subtitle.
After executing them set fonts for the browser then restart it. More help available [http://fci.wikia.com/wiki/SMC/repos/fedora here]
===Managing Chillu Characters===
Even though new versions of Linux distributions are working fine with Malayalam; default fonts bundled with them may not support [http://unicode.org/versions/Unicode5.1.0/#Malayalam_Chillu_Characters Atomic Chillu Characters] defined in Unicode 5.1.0. [https://github.com/downloads/junaidpv/Malayalam-Fonts/Rachana.ttf This modified version of font Rachana] renders newly defined atomic Chillaksharams. Please follow [https://github.com/junaidpv/Malayalam-Fonts/downloads this link] to reach fonts, which support latest version of Unicode. You may also want to check [http://download.savannah.gnu.org/releases/smc/fonts/malayalam-fonts-5.0.1/ original fonts] (without any alteration and additions in the above mentioned fonts), they also support Atomic chillus, but has wrong representation of some glyphs and some other glyphs missing defined in latest Unicode. If you are reluctant to use fonts which are encoded with atomic chills, use [https://addons.mozilla.org/en-US/firefox/addon/7289 this] firefox add-on for firefox browser or [https://chrome.google.com/extensions/detail/laedncddaglmibeincionifdjjmccgpa?hl=en this] Chrome extension for Google chrome (or for chromium browser) to convert newly defined Chillaksharams to old fashion.
==For users of Mac OS X==