How can we help?
Guides, comparisons and answers from the support team.
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- Knowledge base
- 73 articles
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- support@lizensa.eu
Popular articles
- How to activate your software license keyStep-by-step instructions for activating Windows, Office, and other software keys purchased from Lizensa.
- License Key Not Working? Troubleshooting ChecklistThe checklist for failed activations: typos, edition mismatch, already-used keys, and the exact fixes per error message.
- Install Office 2019, 2021, or 2024 (Retail) via office.com/setupRedeem your retail Office key at office.com/setup, download the official installer, and activate with your Microsoft account.
- Install Office LTSC or Volume editions with the Office Deployment ToolVolume, MAK and LTSC Office editions are installed from an ISO or with the Office Deployment Tool — not from office.com/setup.
- How MAK activation limits workEach MAK has a fixed number of activations. What counts, how to save activations and what to do when the limit is reached.
Browse by category
- Microsoft WindowsGuides, tutorials, and troubleshooting for Windows 10, 11, and 12.
- Microsoft OfficeEverything about Office 2021, 2024, and Microsoft 365 licensing and setup.
- Adobe Creative SuitePhotoshop, Lightroom, Premiere Pro, and the full Creative Cloud.
- Orders & DeliveryEverything about placing orders, delivery, and order confirmations.
- Activation & DownloadsHow to download and activate your purchased software.
- Account & SupportManaging your account, contacting support, and refund requests.
- Installation & LicensingInstall, activate, and troubleshoot the licenses and installers delivered with your order.
Still need help?
Our activation team is available during business hours.
