visheshayen danaganna deyak nae bun. format eka oka thamai. mama umba ewapu link eken os eka ubuntu wenna athi kiyala ewwe.
sudo add-apt-repository ppa:freecad-maintainers/freecad-daily - meken umba dala thibba link eke thiyana repository eka (packages thyeyana thana) umbe ubuntu wala package...