Hello, I'm Quinn and here to help!
If Publisher was redeemed before, it should appear under your services and subscriptions. https://account.microsoft.com/services
- Sign in with the Microsoft account you used when you first activated Publisher/Office. If Publisher (or the Office suite containing it) is listed, click Install.
- This will download the setup file for your new computer.
If you only have a 25-character product key. This usually means a one-time purchase (perpetual license). Redeem the key (if not already done), once redeemed, the key is not used again — the account is what matters. Here's how:
- Go to https://setup.office.com/
- Sign in with your Microsoft account
- Enter the product key
- This links Publisher to your account
After redeeming:
- Go to https://account.microsoft.com/services
- Find Publisher
- Click Install
- Run the installer, and follow the prompts
- Open Publisher to confirm it’s activated.