rooting Sony Xperia z3+ I have this device.  I couln't find any solution of rooting this device and installing xposed framework onto it. Can someone please a link to some working guide(xda maybe) on how to root this device?
If you download KingoRoot from the Google Play Store or App Store it should automatically root your device. For more help see here:
https://www.kingoapp.com
https://www.cnet.com/how-to/how-to-easily-root-an-android-device/