How-To Guides

Step-by-step Adescargar tutorials: verifying downloads, checksums, installing, updating and uninstalling software cleanly.

How to verify a download with checksums and digital signatures

How to Verify a Download: Checksums, Signatures and Virus Scans Explained

September 22, 2026

Check that a file is genuine before you install it. Adescargar explains SHA-256 checksums, digital signatures and virus scans, with exact commands for Windows, Mac and Linux.