Windows
Windows: Retail, OEM and phone activation
A quick guide to the main Windows activation options.
Retail
It is generally intended for online activation. Check the variant for device limits and reinstall or transfer terms.
OEM
It is intended to stay associated with the first device where it is activated. Check that condition before buying.
telephone activation
It requires phone activation. If your purchase includes Confirmation ID assistance, you will find the access and instructions inside your order.
Before choosing
Compare the exact variant you are buying: edition, devices, activation type, delivery and warranty.