These are the Lazarus sources and help files. You need to download and install FPC 3.2.2+ for your platform to build Lazarus and you need the corresponding FPC sources for code navigation to work. 

See here for how to get fpc:
- https://www.freepascal.org/download.html

See here for how to build Lazarus:
- https://wiki.lazarus.freepascal.org/Getting_Lazarus#Compiling_and_running_Lazarus

Checksums can be found at <http://www.lazarus-ide.org/index.php?page=checksums>

- For an overview what changed from earlier versions of fpc see:  
    -- <http://wiki.lazarus.freepascal.org/Lazarus_3.0_release_notes>  
    -- <http://wiki.freepascal.org/User_Changes_3.2.2>  
    -- <http://wiki.freepascal.org/FPC_New_Features_3.2>  

- For additional information visit our homepage, forum, wiki, and FAQ:  
    -- <http://www.lazarus-ide.org/>  
    -- <http://forum.lazarus.freepascal.org/>  
    -- <http://wiki.lazarus.freepascal.org/Lazarus_Faq>