# 🧢 windows support > Support windows notebook windows does not support ```os.eviron["HOME"]```, KeyError for "HOME". either fixing this in ```history.py``` or avoid this in ```README.md``` https://github.com/raynardj/langhuan/blob/9088b1ae73efa75939622d2b101700a12cb96e67/langhuan/history.py#L27
🧢 windows support
windows does not support
os.eviron["HOME"], KeyError for "HOME".either fixing this in
history.pyor avoid this inREADME.mdlanghuan/langhuan/history.py
Line 27 in 9088b1a