Then it has not launched in your region, probably. For me in EU it shows option to login with instagram or browse without a profile. No app needed.
Threads itself is launched in my region. Could you screenshot the front threads.net page you see (when logged out)?
> No app needed
Do you mean you're able to create an account without the app, or do you just mean that there's no app needed for browsing in your region (with no account, or after the account is set up through the app)?
The second screenshot is a form I can get to, but immediately after logging in it'll prompt to download the app to set up your profile.
[0]: https://timesofindia.indiatimes.com/gadgets-news/threads-mak...