How to install How to install APK, OBB, ZIP, XAPK, APKM, APKS Table of Contents 1. How to install APK, OBB, ZIP, XAPK, APKM, APKS 2. Install APKCombo Installer 3. Enable developer options 4. Turn off MIUI optimization 5. Turn on Unknown sources 1. How to install APK, OBB, ZIP, XAPK, APKM, APKS Download & install APKCombo Installer . Open the APKCombo Installer app Tap Install Select the files you want to install: .apk, .obb, .zip, .xapk, .apkm, .apks Tap OK Follow the steps on screen. ZIP, XAPK, APKM, APKS APK + OBB 2. Download & install > APKCombo Installer Download & install APKCombo Installer . 3. Enable developer options Settings » About phone » Tap MIUI version (Tap 7 times to enable developer options). 4. Turn off MIUI optimization You need to install the APKCombo Installer Open the APKCombo Installer app » Settings » Open Developer Settings » Turn off MIUI optimization » This setting will take e