If you double-click the file and get the "Windows cannot open this file" dialog box:

I couldn’t find any legitimate or official software called specifically designed for Windows 10.

Pirated or third-party software from torrent or file-sharing sites is a frequent vector for malware. Infected installation files can lead to compromised accounts or system hijacking.

Interrupted download or a bad copy on the server. Solution: Re‑download the ISO using a download manager that supports resume. Verify the SHA‑1 hash again. Alternatively, try a different mirror on Topfile.tj.