Here is a guide for the rooted galaxy devices
By this method, you will not face the installation error
1. Download the s8 launcher.apk file
2. Use any root explore to find this location "/>system>priv-app>Touchwiz Home"
3. Copy the file that you've downloaded to the above location abd delete the original one
4. reboot
Note: you may download a third party launcher (such as nova launcher) and set it to defealt first. After the reboot, you may clean the data of the s8 launcher first
sorry for my bad english
By this method, you will not face the installation error
1. Download the s8 launcher.apk file
2. Use any root explore to find this location "/>system>priv-app>Touchwiz Home"
3. Copy the file that you've downloaded to the above location abd delete the original one
4. reboot
Note: you may download a third party launcher (such as nova launcher) and set it to defealt first. After the reboot, you may clean the data of the s8 launcher first
sorry for my bad english
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