You are wrong...
Go to https://github.com/artenax/tor/releases
On the page, for Tor 0.4.7.8 only the firsts 12 assets are displayed.
Below the last asset displayed, If you click on "Show all 14 assets", you will see download links for the last two assets.
One of them is tor-0.4.7.8-x86-xp.zip
https://github.com/artenax/tor/releases/download/0.4.7.8/tor-0.4.7.8-x86-xp.zip
Regards