How could i change path when i want to install my program to other directory or other drive?

i need detail instructions on what to do. the program i want to install dont ask whether i should save to other directory or other drive. The program automically install on c: drive. if in case the program already install on c: drive and i want to transfer to other directory or other drive what should i do.How could i change path when i want to install my program to other directory or other drive?You should install %26quot;custom%26quot;which let you do delete unnecessary options andchange tha path .How could i change path when i want to install my program to other directory or other drive?type in the directory , or browse it and click on it