Redeem unity3d voucher tutorial How to Use Voucher For Unity Asset store, Simple Guide..published Asset Store Packages,
Go to https://www.assetstore.unity3d.com/ and sign in with your Unity developer credentials at the top right corner.
After that, click on you account name, in drop-down list click "My account".
On the following page scroll down, you will see a section "Redeem Voucher", and enter the voucher number
After click on submit you will be redirected to download page, and you can download that package easily,
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