Article in English: Windows 8.1 adds lots of useful settings options that you can change without having to open the Control Panel. This is especially useful if you just have a touchscreen device.  The Settings menu has seen lots of additions since the Windows 8.1 update.  PC and devices - You can adjust a lot of settings that were previously relegated to the Control Panel, including the display resolution, your connected devices, power options, and disk space. Accounts - Manage your Windows account, including connecting your account with your Microsoft Account. OneDrive - Adjust your OneDrive sync and storage settings. See the OneDrive section below for more details. Search and apps - Change your search preferences, manage your installed apps, and choose the default programs for types of files. Privacy - Set your privacy options, including location preferences and webcam permissions. Network - Connect to new networks, adjust your proxy settings, or join or create a HomeGroup. Time and language - Set your timezone and language settings. You can use this menu to add more keyboard languages. Ease of Access - You can change a variety of settings to make it easier to see, hear, and do things in Windows. Update and recovery - Check for Windows updates, recover lost files with File History, and perform system recovery and restore functions.

Summary in Indonesian:
Buka Charms bar dan klik "Settings". Pilih "Change PC settings" di bagian bawah menu Settings. Pilih salah satu dari kategori yang ada.