Lazarus is the IDE, but it requires the Free Pascal Compiler to actually build programs.
Open a terminal/command prompt in the extracted folder and run: make clean all : Lazarus-main.zip
: If this sounds too complex, it is much easier to download the pre-compiled installer from the Official Lazarus SourceForge . Lazarus is the IDE, but it requires the
: You get access to the newest components and bug fixes before they reach a stable release. Lazarus is the IDE
: Running from a zip allows you to have multiple versions of Lazarus on the same machine without them interfering with each other.
Since you downloaded the (the zip) rather than an installer, you must "make" the IDE.