There is no URL parameter that can override Step 3 because the server never grants permissions to unauthorized viewers. Even if you append ?access=all or similar parameters, the server ignores them.
Many fake viewers ask you to “log in with VK to verify you’re human.” Once you enter credentials, they steal your login token. Attackers can then: view private vk profile link
Even if you don't have a VK account, you can still perform limited searches: There is no URL parameter that can override
Tools like the VK.com private profiles highlight extension don't unlock profiles but can save you time by visually identifying which profiles are private before you click them. view private vk profile link