Step 1: Click the green button 'Download Unity 3D' to download the installation file.
Step 2: Open the installation file in your download folder.
Step 3: The installation starts. Click on Next.
Step 4: Read and accept the licence agreement. Click on Next.
Step 5: Choose the desired components and click on Next.
Step 6: Choose the installation location and click on Next.
Step 7: Unity 3D has been installed. Click on Finish. You can now use the software.
Important: If you chose to install Visual Studio as well, the installation will run simultaneously.