At first download Codeblocks installer from this Download link. Then go to downloads folder, open or double click “oncodeblocks-17.12-setup.exe” file Then click Next for forward installing process To accept the licence agreement click on I Agree Then select the type of install components Then chose destination folder to install code blocks And wait a few minutes for install process I chose yes for run after install code blocks Then select file associations and click ok After that Installation has been completed After all clicked on finish. Finally code run properly