You need to download and install all three packages fpc, fpc-src and lazarus.
fpc - the Compiler, some command line tools, base units and non visual components like database access
fpc-src - the sources of fpc and its packages, needed for code browsing
lazarus - the IDE, visual components and help files
* For an overview what changed from previous 2.0 versions
(includes incompatibilities with earlier versions) see:
- https://wiki.lazarus.freepascal.org/Lazarus_2.0_fixes_branch
* For an overview what changed from previous 1.8 versions
(includes incompatibilities with earlier versions) see:
- https://wiki.freepascal.org/Lazarus_2.0.0_release_notes
- https://wiki.lazarus.freepascal.org/User_Changes_3.0.4
- https://wiki.freepascal.org/FPC_New_Features_3.0
* Checksums can be found at https://www.lazarus-ide.org/index.php?page=checksums
* For additional information visit our homepage, forum, wiki, and FAQ:
-- https://www.lazarus-ide.org/
-- https://forum.lazarus.freepascal.org/
-- https://wiki.lazarus.freepascal.org/Lazarus_Faq