Click on the link below to download ZWCAD Mechanical :
ZWCAD MECHANICAL 2015 SP2
http://cadfocus.com.my/download/ZWMECH2015/ZWCAD_MECHANICAL_2015_SP2_ENU_1.zip
ZWCAD MECHANICAL 2020 - Official Release
ZWCAD MECHANICAL 2021 - Official Release
http://cadfocus.com.my/download/ZWMECH_2021/ZWCAD_Mechanical_2021_Eng_Win_64bit_59468.exe
http://cadfocus.com.my/download/ZWMECH_2021/Brochure_ZWCAD_Mechanical.pdf