Why do we need build tool?

Related questions

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7. Does Visual Studio work on Windows 10?
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Tags

1. #compiling
2. #which
3. #creating
4. #build
5. #errors
6. #tools
7. #versions
8. #project
9. #process
10. #builds
11. #executable
12. #integration
13. #using
14. #automates
15. #continuous
16. #source