If you prefer to download Unity 5.6 32-bit directly, you can use the following link:
Click on . The download will begin. The file will be named something like: UnitySetup-5.6.6f2-32.exe (approx 1.2 GB). unity 5.6 download 32 bit
Even with a successful download, you may encounter issues. Here are the top fixes: If you prefer to download Unity 5
You will see two options:
Click the dropdown and select Unity Editor 32-bit (approx. 528 MB). Useful Review: Pros & Cons unity 5.6 download 32 bit