iPad storage does not allow me to perform update. This article says you can use a computer, but only has instructions for an Apple computer, which I don’t have. I have offloaded all programs and still can’t update. Help. Only 16MB on iPad.

The article If you need more space for an update on your iPhone, iPad, or iPod touch - Apple Support is both for Macs and PCs. See the following excerpt (bold added):

Update using your computer

To download the latest version of iOS or iPadOS, using your computer, follow these steps:

1. On a Mac with macOS Catalina 10.15 or later, open the Finder. On a Mac with macOS Mojave 10.14 or earlier, or on a PC, open iTunes.

Yes, you can use a Windows Computer to update your iPad. Follow the instruction in this guide published by Apple ➔ Update Software with iTunes and a Windows PC.

Before you start the update, ensure that iTunes is fully updated along with Windows version on your PC.

Axel F.