Microsoft offers a one-month trial of Microsoft 365 Family, which allows you to download and install the 64-bit desktop applications on your PC. How to Download the 64-Bit Desktop Version
If you already have a license or are using a trial/education account, follow these steps to ensure you get the 64-bit version: download microsoft word 64 bit free
While Microsoft Word is a premium application, there are several official ways to get the 64-bit version for free or access it without a paid subscription. Official Ways to Access Microsoft Word 64-Bit for Free Microsoft offers a one-month trial of Microsoft 365