Even if you find an old installer, you still need a valid 25-character product key to use it.

Use your original physical media if available.

It may have issues running on Windows 10 or 11. ⚡ Free Alternatives to Office 2010

📌 Avoid third-party "free download" sites, as these often bundle malware with the installer. Do you have a product key for Office 2010, or End of support for Office 2010

If you have a product key and just need the installation files:

You can use Word, Excel, and PowerPoint for free directly in your browser. $0

A powerful, free alternative compatible with .doc and .xls files.