IE browser of Win8 system can allow websites to use cache and database, so we can reduce the waiting time when browsing websites. But too much cache and database storage will also affect the efficiency of the system. How to set the size of this space? Operation method 1. Open the Internet option. 2. Click the settings below the browsing history. 3. Set it in the Cache and Database tab and save it. In addition to cleaning the cache and database manually, you can also use third-party software such as computer housekeeper to clean it automatically.