The method of downloading the Onion Academy tablet software is as follows:

1. Open the "Baidu" homepage through the browser and search for "Onion Mathematics".

2. On the search results page, find the official website of "Onion Mathematics".

3. Open the homepage of the Onion Math official website and find the "Product Download" section on the upper right side of the page.

4. Click "Product Download" to enter the Onion Math product download page; just find "PC version" on the page.