ready-made system
nounUK /ˌrɛdiˈmeɪd ˈsɪstəm/
US /ˌrɛdiˈmeɪd ˈsɪstəm/
A ready-made system is something already built that you can use right away.
The school bought a ready-made system for taking attendance.
OTHER MEANINGS
2. A complete set of parts sold together, already put together for you.
The robot kit is a ready-made system for beginners.
3. A way of doing things that someone else planned, so you don't have to.
They followed a ready-made system for cleaning the classroom.
4. A computer program that works as soon as you install it.
Our new ready-made system helps us track library books.