These are almost always "account stealers" or viruses.
If you found a video or site promising a "Skinned.txt" that unlocks for free: do not download it. Download valorant skinned txt
Instead of downloading a file, Valorant has a built-in "Import" feature. You just copy a string of text (a code) and paste it directly into the game. Open Valorant Settings . Go to the Crosshair tab. These are almost always "account stealers" or viruses