Licence guides and articles
Windows activation errors — what they mean and ...
0xC004C060, 0x803FA067, deactivation after a hardware change, “the key is already in use” — what each error means and how to resolve it with the slmgr commands.
Windows activation errors — what they mean and ...
0xC004C060, 0x803FA067, deactivation after a hardware change, “the key is already in use” — what each error means and how to resolve it with the slmgr commands.
What a KMS activator is and why it puts your co...
KMS activation is always temporary. What the “activators” really do to your system, why they ask you to switch off Defender, and how to check which licence you have.
What a KMS activator is and why it puts your co...
KMS activation is always temporary. What the “activators” really do to your system, why they ask you to switch off Defender, and how to check which licence you have.
Windows 10 or Windows 11 — which version to cho...
Free support for Windows 10 ended in October 2025. When it makes sense to move to Windows 11, what the requirements are, and when Windows 10 still does the job.
Windows 10 or Windows 11 — which version to cho...
Free support for Windows 10 ended in October 2025. When it makes sense to move to Windows 11, what the requirements are, and when Windows 10 still does the job.
OEM, Retail or Volume licence — what is the dif...
OEM, Retail and Volume are not the same thing. The differences in transferability, duration, support and price — and how to check which licence you currently have.
OEM, Retail or Volume licence — what is the dif...
OEM, Retail and Volume are not the same thing. The differences in transferability, duration, support and price — and how to check which licence you currently have.
How to transfer a Windows 11 licence to another...
A Retail licence can be moved to a new computer, an OEM one cannot. Step by step: how to check the type, release the old machine and activate the new...
How to transfer a Windows 11 licence to another...
A Retail licence can be moved to a new computer, an OEM one cannot. Step by step: how to check the type, release the old machine and activate the new...
