From the networking perspective it doesn't make much difference whether you use Tails or Windows/Linux; Tor protects the source of the traffic equally.
From the OPSEC perspective Tails is better, because it lacks persistence, as explained in How Tails works:
Tails always starts from the same clean state and everything you do
disappears automatically when you shut down Tails.
Without Tails, almost everything you do can leave traces on the computer:
Additionally, with Tor you should avoid standing out in a crowd. If you create something customized by yourself rather than using standard tools you might be vulnerable to browser fingerprinting. Whether using Tails or not, you should at least use the Tor browser and update it regularly.