(Note: If you are on Debian, replace ubuntu in the URL above with debian ) 4. Update and Install sudo apt update sudo apt install cmake -y Use code with caution. Verify the Installation

The quickest way to install CMake is using the official repository of your Linux distribution. Open your terminal and run these commands: sudo apt update sudo apt install cmake -y Use code with caution. Fast and fully automated. Managed by your system updater. Guaranteed to be stable and compatible. Repositories often hold older versions of CMake. Advanced Install: Get the Latest CMake Version via APT

Run sudo apt update first to refresh your package indexes. Error: Missing C/C++ Compilers

If your project requires a brand new version of CMake, the default apt install might install an outdated release. You can solve this by adding the official Kitware (the creators of CMake) APT repository.

How to Download and Install CMake Using APT on Ubuntu and Debian

wget -O - https://kitware.com 2>/dev/null | gpg --dearmor - | sudo tee /usr/share/keyrings/kitware-archive-keyring.gpg >/dev/null Use code with caution. 3. Add the Repository to your Sources List