窓 means window and is a JLPT N3 kanji. It has 11 strokes and uses the Hole / cave radical (穴).
Stroke order · 11 strokes
On'yomi (音読み)
ソウ、ス
Kun'yomi (訓読み)
まど、てんまど、けむだし
Radical
穴 · Hole / cave
Strokes
11
How to remember 窓
The mind (心) flies out through a hole (穴) — watching the sky through a classroom window is the same in every country. 窓側の席 — the window seat on a train.