Guide Instalation APK

First search your application that you want it from our posts and drop down to Download section then download it

From Menu go to >Settings

Drop down to > Additional Setting
Then go to > Safety & Privacy
Find > Unknown Sources
Turn it On and it will ask you to allow

Finally go to path folder and install your APK
You will find apk file on download Folder ( you can use file manager to find it)

After installing your application you can turn OFF install option from unknown sources by same steps