Question

how will you install a new software in computer???

Answer 1

you can buy that software in CD or DVD denison install it in the computer in the following way
insert CD or DVD in the computer and then open it and click on install

Answer 2

Hi,

Download setup of that spftware from internet and double click on the .exe file of that software

the follow on screen instructions..

or

if you have CD/DVD or any other storage media then attach that with your computer and again double click on .exe file of that software and follow on screen instructions to intall that software.