First thing to do is to install the software onto your MicroSD card.

## Flash Mr. Fusion to your MicroSD
Mr. Fusion provides a compact image that you can download and flash onto an SD card of any size with a tool like  [balenaEtcher](https://www.balena.io/etcher/){target=_blank}, [Win32 Disk Imager](https://sourceforge.net/projects/win32diskimager/){target=_blank}, [Apple Pi Baker](https://www.tweaking4all.com/software/macosx-software/applepi-baker-v2/){target=_blank}, or even [dd](https://en.wikipedia.org/wiki/Dd_%28Unix%29){target=_blank}.

We're going to use balenaEtcher for this guide. We install balenaEtcher by [downloading the latest release for our computer](https://www.balena.io/etcher/){target=_blank} and installing it. 

Next we're going to [download the latest release of Mr. Fusion](https://github.com/MiSTer-devel/mr-fusion/releases){target=_blank}:

[![Download Mr. Fusion](img/dl-mr-fusion.png)](https://github.com/MiSTer-devel/mr-fusion/releases){target=_blank}

Next, we will insert our MicroSD card into our computer and then open balenaEtcher. We will select "Flash from file" and navigate to the Mr Fusion file we downloaded a step earlier.

![Flash from file](img/balena-1.png)

Then we need to select our MicroSD card as the target to flash.

![Select target MicroSD](img/balena-2.png)
![Select the right one](img/balena-3.png)

And click "Flash!"

![Flash that card!](img/balena-4.png)

Wait for it to complete successfully.

![Successful flash :)](img/balena-5.png)

If you see "Flash complete!" and "1 Successful target" then everything worked fine. If the flash fails, try and flash it again or flash a different MicroSD card in case the one you are using is malfunctioning.

We can now close balenaEtcher and remove our MicroSD card.

## Boot the DE10-Nano with Mr. Fusion
Next we just need to carefully insert our MicroSD card into the DE10-Nano (**NOT the MicroSD slot on the IO board on top!**).

![Location of DE10-Nano MicroSD slot on the bottom](img/de10-nano-microsd.png)

Now turn on your DE10-Nano.

We will wait up to a few minutes for the Mr. Fusion installer to complete. Be patient, or else you may have to start all over again. 

![Running Mr. Fusion](img/run-mr-fusion.png)

When the MiSTer On Screen Display with fuzzy static behind it appears, that means you have successfully installed the MiSTer software/OS onto your MicroSD. 

![Fuzzy Static Displaying Away!](img/static-menu.png)

Check out the next tutorials in the side bar!