Linux is the most popular open-source operating system, and it comes in various flavors known as distributions or distros. One of the advantages of Linux is its ability to run on different processor architectures, including 32-bit and 64-bit CPUs. However, many Linux distros have phased out support for the aging 32-bit architecture, but there are still a few options available.

1. Ubuntu MATE

Ubuntu MATE is a lightweight and user-friendly distro that provides a traditional desktop experience. It is based on Ubuntu and comes with the MATE desktop environment. Ubuntu MATE still offers a 32-bit version for users who have old hardware or prefer to use a 32-bit system. The latest version of Ubuntu MATE 21.04 includes support for 32-bit architecture.

2. Debian

Debian is one of the oldest and most stable Linux distros. It is widely used as the base for other popular Linux distributions such as Ubuntu and Mint. Debian still provides a 32-bit version of its latest stable release, Debian 11 “Bullseye.” The Debian developers have acknowledged that many important applications, especially those used in embedded systems, still require support for the 32-bit architecture.

3. MX Linux

MX Linux is a popular lightweight Debian-based distro that comes with several desktop environments to choose from, including Xfce and KDE. MX Linux still offers a 32-bit version of its latest release, MX Linux 21 “Wildflower.” The distro is known for its stability and ease of use, making it an ideal choice for users with older hardware.

4. Lubuntu

Lubuntu is a lightweight Ubuntu-based distro that comes with the LXQt desktop environment. It is designed to run on older, less powerful hardware as well as modern machines. Lubuntu still provides support for 32-bit architecture and offers a 32-bit version of its latest release, Lubuntu 21.04.

5. Linux Mint Xfce

Linux Mint is a popular distro that is known for its user-friendly interface and a wide range of available software. The Xfce edition of Linux Mint still supports 32-bit architecture and offers a 32-bit version of Linux Mint 20.2.