ウィンドウシステムでしょう
windōshisutemudeshō
1. Probably a window system.
Noun
#245030
1. Probably a window system.
1. system
1. window
2. window (shop display)
1. automatic lock
2. automatic door-locking system
1. display window; shop window
1. dormer window
1. systems
1. geographic information system; GIS
1. filing system
1. it seems; I think
2. right?; don't you agree?