1, by [Settings - System - storage], open storage-aware, point immediately free up space
2, click on the system tray, right attributes - Disk Cleaner - disk clean-up system (subject to selection)
3, if the chrome browser, see C: \ Users \ Administrator \ AppData \ Local \ Google \ Chrome \ User Data \ Default \ IndexedDB this document are not so big, if large, then the large file to delete the contents inside