To get Only One working on your computer is easy. You will definitely need to pay attention to the steps listed below.We will help you download and install on your computer in 4 simple steps below:

1: Download an Andriod App emulator

An emulator imitates/ emulates an android device on your computer, making it easy to install and run android apps from the comfort of your PC. To begin, you can choose from either of the apps below:
i. Nox App .
ii. Bluestacks .
I recommend Bluestacks since it is very popular with lots of online tutorials 

2: Now Install the Software Emulator on your Windows PC

If you successfully downloaded the Bluestacks.exe or Nox.exe, go to your Downloads folder on your computer or anywhere you ususally store downloaded files.

1. Once found, click it. The installation process will commence.
2. Accept the EULA License agreement and Follow the on-screen directives.

If you do the above correctly, the Software will be successfully installed.

3: Using on the computer

Once installed, Open the Emulator application and type Only One in the search bar. Now hit Search. You will easily see your desired app. Click on it. It will display Only One in your Emulator Software. Hit the Install button and your application will start Installing. To use the app, do this:
You will see the "All Apps" icon.
Click to go to a page containing all your installed applications.
You will see the app icon. Click to start using your app. You can start using Only One for Pc now!