Before you proceed, understand the legal context. Downloading a copyrighted software ISO from a third‑party site is a gray area. If you for Office 2007, most legal interpretations and Microsoft's own statements suggest that downloading the corresponding installation media from a secondary source to use with your key is permissible for personal backup purposes. However, distributing the ISO file to others or using it without a genuine key is software piracy.
Do you already have a for Office 2007?
Use a tool like HashTab or PowerShell ( Get-FileHash ) to compare the hash of your downloaded file against known-good hashes found on reputable tech forums or archive sites. index of ms office 2007 iso verified