It may be a Base64 string, a product SKU, or a one-time password/access code.
If this is a file you were looking for, checking the source of the link or the context in which you found it might provide more clues. TzdvgEWV zip
If you found this link on an untrusted site, be cautious. Randomly generated strings followed by ".zip" are sometimes used in phishing or malware campaigns to trick users into downloading harmful content. It may be a Base64 string, a product
Could you provide about where you saw this string or what you are trying to do with it? It may be a Base64 string