Knowledge Base
Lizenzsofort
Knowledge Base
Our knowledge base with all the downloads and guides you need after your purchase at Lizenzsofort.
RecommendedOffice 2024: Professional vs. Professional Plus – which version is right for you?
RecommendedError code 0xC004C060 – step-by-step solution
🔑 Activation
- Microsoft Office: old version starts despite uninstalling & reinstalling
- Office – number of possible activations exceeded?
- Office – product key cannot be used in your country/region
- Office 2021/2024 activation guide (Windows)
- Office Mac – download & activation
- Office – activation by phone
- Upgrade Windows 10/11 Home to Pro
- Windows 10 – your product key has already been used?
- Windows – activation by phone
🔧 Installation
- Installation guide for Windows 10
- Microsoft Office – where do I enter my product key?
- How do I activate a SQL Server?
- How do I activate a Windows Server?
- How do I uninstall Office?
- How do I install a SQL Server?
- How do I install Office?
- How do I use an IMG/ISO file?
- Windows 10 – where do I enter my product key?
🧮 Operating systems
Windows 7
Windows 8
Windows 10
Windows 11
📊 Office
Office 2013
Office 2016
Office 2019
Office 2021
Office 2024
Microsoft 365
🗄️ Server
SQL Server 2016
SQL Server 2019
Windows Server 2016
Windows Server 2019
➕ Other
💡 Buying advice
⚡ Practical tips
Welcome to Lizenzsofort customer support
Do you need product advice, help activating a product, or general information? Our team is happy to help.
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