In this first method, we will use BlueStacks Emulator to install and use the mobile apps.  So here is a little detail about Bluestacks before we start using them.

BlueStacks is one of the earliest and most used emulators to run Android applications on your Windows PC. It supports a wide variety of computer and laptop versions including Windows 7/8/10 Desktop / Laptop, Mac OS, etc. It runs apps smoother and faster compared to its competitors. So you should try this method first before trying other methods as it is easy, seamless, and smooth.

So let's see how to download NFP Fertility Charting for PC Windows 7/8/10 Laptop/Desktop and install it in this step-by-step method.

1. Open the BlueStacks website by clicking this link - Download BlueStacks (Recommended 🔥)
2. Once you open the website, you will find a green color "Download BlueStacks" button. Click it and it will start the download based on your OS.
3. After the download is complete, please install it by double-clicking it. Installation is as simple and easy as any other software installation.
4. Once the installation is complete, open the BlueStacks software. It may take some time to load for the first time. Just be patient until it completely loads and is available. You will see the home screen of Bluestacks. 
5. BlueStacks comes with Google play store pre-installed. On the home screen, double-click the Playstore icon to open it.
6. Now you can search the Google Play store for NFP Fertility Charting app using the search bar at the top.  Click "Install" to get it installed. Always make sure you download the official app only by verifying the developer's name. In this case, it is "Marc Schlomer".
7. Once the installation is over, you will find the NFP Fertility Charting app under the "Apps" menu of BlueStacks. Double-click the app icon to open and use the NFP Fertility Charting in your favorite Windows PC or Mac.

If the above method doesn't work for you for some reason, then you can try this method - 2. In this method, we use the MEmuplay emulator to install NFP Fertility Charting on your Windows / Mac PC.

MemuPlay is simple and easy-to-use software. It is very lightweight compared to Bluestacks. As it is designed for gaming purposes, you can play high-end games like Freefire, PUBG, Temple Run, etc.

1. Open the Memuplay website by clicking this link - Download Memuplay Emulator
2. Once you open the website, you will find a big "Download" button. Click it and it will start the download based on your OS.
3. After the download is complete, please install it by double-clicking it. Installation is as simple and easy as any other software installation.
4. Once the installation is complete, open the Memuplay software. It may take some time to load for the first time. Just be patient until it completely loads and is available.
5. Memuplay also comes with the Google Play store pre-installed. On the home screen, double-click the Playstore icon to open it.
6. Now you can search the Google Play store for NFP Fertility Charting app using the search bar at the top.  Click "Install" to get it installed. Always make sure you download the official app only by verifying the developer's name. In this case, it is "Marc Schlomer".
7. Once the installation is over, you will find the NFP Fertility Charting app under the "Apps" menu of Memuplay. Double-click the app icon to open and use the NFP Fertility Charting in your favorite Windows PC or Mac.