: The installer will create a virtual Q: drive to manage the Office files. Ensure this drive letter is not already in use.

If you have an old laptop (Windows 7 or early Windows 10) and you simply need to type documents or open spreadsheets, this saves you from buying a subscription. It creates a legal (albeit ad-supported) Office installation without requiring a product key.

Remember, this isn't a "cracked" full version. It is the official Starter edition. This means there will be a permanent small rectangular ad in the bottom-right corner of the window. It is generally unobtrusive, but it is there.