How do I permanently remove Windows activation?

Remove activate windows watermark permanently

1. Right-click on desktop > display settings.
2. Go to Notifications & actions.
3. There you should turn off two options “Show me windows welcome experience…” and “Get tips, tricks, and suggestions…”
4. Restart your system, And check there is no more activate Windows watermark.

How do I hide the Activate Windows in Windows 10?

By simply disabling background images with Ease of Access, you can also remove the watermark that comes with Windows 10.

1. Press the Windows + S keys on your keyboard to bring up the Search feature, then type in Control Panel.
2. Click on the matching result to launch the classic Control Panel app.