I imagine over time there will be API differences but probably nothing insurmountable.
I suspect the real reason is Microsoft themselves dropping support for W7. Once that happens you can’t really claim Chrome is a “secure browser” because the underlying OS might be exploited and never patched.
I suspect the real reason is Microsoft themselves dropping support for W7. Once that happens you can’t really claim Chrome is a “secure browser” because the underlying OS might be exploited and never patched.