Software testers or developers often use the /rearm command to reset the activation timer on a test virtual machine without having to reinstall Windows every 30 days.
Before making changes, you usually need to see what is currently happening with your license. slmgr.vbs
There are two ways to invoke the script: Software testers or developers often use the /rearm
slmgr.vbs [options]
| Command | Description | | --- | --- | | cscript slmgr.vbs /dli | Display current license information (partial) | | cscript slmgr.vbs /dlv | Display detailed license information | | cscript slmgr.vbs /xpr | Show expiration date of current activation | | cscript slmgr.vbs /ipk <ProductKey> | Install a product key | | cscript slmgr.vbs /ato | Activate Windows online | | cscript slmgr.vbs /upk | Uninstall the current product key | | cscript slmgr.vbs /cpky | Clear the product key from the registry (prevents accidental scraping) | | cscript slmgr.vbs /dli [Activation ID] | Show license info for a specific edition | This is useful if you want to transfer
slmgr /upk : the current product key. This is useful if you want to transfer a retail license to a new computer.