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Do you have the product key for Office? if you have the product key, we will try downloading and installing it.
S H E F I N
Since it is more than five years, it will be difficult to get the key back. Please go to the link below, click Product Keys in your Account page to see the product keys for your downloadable software. In addition to viewing your product keys, you have the option to review your order details and download software from this page.
If you are not able to get the key in your Account, you may try contacting Microsoft in order to get the product key. Check the contact information from the link below.
If you have charged, please contact our customer support to get a refund.