The most reliable way to use Word, Excel, and PowerPoint for free is through the web-based version at Office.com. : Sign in with any free Microsoft account.
: If you have a key but it won't activate, use the Telephone Activation option within the Activation Wizard (File > Help > Activate Product Key) to speak with Microsoft Support . 4. Open-Source Alternatives The most reliable way to use Word, Excel,
: A highly compatible, open-source suite that mimics the classic look of older Office versions. The most reliable way to use Word, Excel,
: Offers a free version with a modern interface and excellent compatibility with .doc and .xls files. The most reliable way to use Word, Excel,