Find your Windows product key - Microsoft Support
网页The product key is in the confirmation email you received after buying your digital copy of Windows. Microsoft only keeps a record of product keys if you purchased from the Microsoft online store. You can find out if you purchased from Microsoft in your Microsoft account Order history.
Difference between product key and activation code - Microsoft …
网页A product key is a unique alphanumeric code provided during the installation of Microsoft software (such as Windows or Office). It serves as a license key that validates your ownership of the software.
Find and install your Microsoft downloads from Microsoft Store
网页To find your Windows product key, see Find your Windows product key. If you have a digital gift card that's good for a game or app, see Redeem a gift card or code to your Microsoft account . To buy an app or game, visit Microsoft Store online , …
Redeem a gift card or code to your Microsoft account
网页Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.
Problems sharing your Microsoft 365 Family subscription
网页Product keys aren't meant to be used for subscription sharing. Instead, please use the steps in Share your Microsoft 365 Family subscription to send an email or link to each person you want to share with.
Help with Microsoft Store purchases - Microsoft Support
网页Country/region. Microsoft Store sales support. Technical or download support. Bangladesh. 877-642-0419. Technical support. Brunei +673 1 800 6738. Technical support
Manage devices used with your Microsoft account
网页Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.
Signing in with a passkey - Microsoft Support
网页Passkeys are a replacement for your password. With passkeys, you can sign into your Microsoft personal account, or your work/school account using your face, fingerprint, or PIN. Signing in with a passkey is simple, fast, and …
Manage your Microsoft 365 subscription or Office product
网页On the Microsoft account dashboard, select Services & subscriptions to view all Microsoft products associated with this account. Sign in. For non-subscription versions of Office: Find your Office product and select Install. Follow the …
Find and lock a lost Windows device - Microsoft Support
网页Find My Device is a feature that can help you locate your Windows 10 or Windows 11 device if it's lost or stolen. To use this feature, sign in to your device with a Microsoft account and make sure you're an administrator on it.
Difference between product key and activation code - Microsoft …
网页A product key is a unique alphanumeric code provided during the installation of Microsoft software (such as Windows or Office). It serves as a license key that validates your ownership of the software.