How to check your Windows version
Press Windows + R, type winver and press Enter. The window shows whether you run Windows 11 or Windows 10, the version (such as 24H2) and the build number.
Practical, up-to-date guides to choosing, installing and activating Windows and Microsoft Office.
Press Windows + R, type winver and press Enter. The window shows whether you run Windows 11 or Windows 10, the version (such as 24H2) and the build number.
Microsoft ended Windows 10 support on October 14, 2025, and the consumer Extended Security Updates program ended on October 13, 2026.
Windows 11 needs a supported 64-bit processor (1 GHz, 2 or more cores), 4 GB RAM, 64 GB storage, UEFI with Secure Boot, TPM 2.0, and DirectX 12 graphics.
Windows 11 Pro includes everything in Home, plus BitLocker drive encryption, Remote Desktop hosting, Hyper-V, Windows Sandbox and Group Policy.
How you install Microsoft Office depends on the edition. Microsoft 365 and retail Home editions install from office.com.
Office 2024 is a one-time purchase for one PC that receives security updates until October 2029 but no new features.
Buy Office 2024. It is the newest one-time-purchase Office and is supported by Microsoft until October 9, 2029, while Office 2021 support ended on October 13, 2026.
A Retail license can be moved to a new PC after you remove it from the old one.
Open Settings › System › Activation to see the error code, then match it below.
If Office Professional Plus will not activate online, open any Office app, start the Activation Wizard and choose “I want to activate the software by telephone”.