I used this source to create a registry file to hopefully remove Windows 11 ads from Windows 10. This guide is also useful for making registry files to make such changes easier.
You shouldn't trust a file you find online without checking it, but I'm including that registry file as an attachment because I'm lazy.
Assuming I can in an edit because I had to modify settings to make this work aaaa.
This was created to specifically stop ads for Windows 11, but may affect other ads as well.
Stopping ads on Windows 10
Re: Stopping Windows 11 ads on Windows 10
Related: Stopping a lot of built-in advertising through the Settings UI: https://www.howtogeek.com/269331/how-to ... vertising/
Title is misleading because this doesn't stop all ads.
Title is misleading because this doesn't stop all ads.
Re: Stopping ads on Windows 10
I am so close to being able to stop using Windows entirely, but in the meantime, I encountered a new ad type: backup service advertisements! It's bad enough that Microsoft automatically spies on your computer usage, now they want you to automatically send your files to them too! 
Anyhow, this should disable it:

Anyhow, this should disable it: