For a long time I was annoyed by that watermark. Every KMS tool I tried gave me 185 days, then the "Activate Windows" message came back. I wanted to patch it to be permanent. Then I actually understood how it works.
1. What KMS really is?
KMS = Key Management Service. It's not a crack originally. It's an official Microsoft system for large companies.
Instead of activating 5000 PCs one by one, they install one local KMS server. All PCs activate against it.
2. Why exactly 180/185 days?






