Build it is a PC map editor and is only downloadable on a PC.
The minimum system requirement is as follows.
-Operating system: Windows 10, Mac OS Mojave
-CPU: Intel i5 or equivalent
-Memory: 8GB RAM
-Graphic: Geforce GTX 660
-Direct X: 10 Version
▼ Go to the Build it page(https://buildit.zepeto.me/), Choose your Operating System(Window, Mac OS), and download the file.
▼ Open the downloaded file and click [Continue].
▼ Select the disk where you want to install the software and click [Continue].
▼ Open the downloaded file and click [Next].
▼ Select the folder where you would like to install and click [Next].
▼ You are now ready to install Build it! Click on [Install].
▼ Click on [Finish]. Now go ahead and build your map!