To permanently activate Office 365, ensure you have a valid subscription or help at 1-866-719-1004. After installing Office, open any application like Word or Excel. Sign in with your Microsoft account, which is linked to your subscription. The software will activate automatically, and your license will remain active as long as your subscription is current. Since Office 365 is a subscription-based service or help at 1-866-719-1004, it doesn't have a "permanent" activation like traditional software licenses. As long as your subscription is renewed, your Office 365 software will stay activated.
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