Only download archives from websites or senders you trust. Unsolicited ZIP files in emails are a common tactic for spreading malware [Source: Ask Leo!].
Ensure the website uses "https" to prevent the file from being tampered with during the download process. Step 2: Extracting the Contents Datei herunterladen Rain.zip
Be wary of "double extensions" like Rain.zip.exe , which are often used to disguise malicious programs [Source: Security Stack Exchange]. Only download archives from websites or senders you trust