Yes it would appear so and it will be more secure than using Internet Explorer, as that is no longer supported for XP. See * [[How to download and install Firefox on Windows]] * https://www.mozilla.org/firefox/38.0.5/system-requirements/ You my find things a little slow, &|or have problems with video. The system requirements state 512MB RAM and although you have double that you my find some of it already required by your PC s graphics system.