win10 and win10 Professional Enterprise Edition is the most widely used of the two versions, especially after the update to the 1909 version, more powerful, more beautiful interface. Today small teach the latest methods win10 Professional / Enterprise Edition 1909 version of your activation.
win10 Professional / Enterprise Activation Key Tutorial 
click on the "Update and Security" 
and click "Update and security" 
on the left, click on: Activate 
Select the "replacement product key" under the right side, according to their version, enter the following information secret key can be. If the key is invalid or has been used up, small smile, wtbm581, obtain the latest available keys.
Windows 10 Pro (win10 Pro activation key)
TPYNC-4J6KF-4B4GP-2HD89-7XMP6
win10 Enterprise Activation Key:
W77WN-TP36G-VBJFX-C77HK-2YT44 
enter the key, click on the "Next"