Switching out of S mode in Windows 11
Windows 11 in S mode is designed for security and performance, exclusively running apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, you'll need to switch out of S mode

1. On your PC running Windows 11 in S mode, open Settings > System > Activation.

2. In the Switch to Windows 11 Pro section, select Go to the Store. (If you also see an "Upgrade your edition of Windows" section, be careful not to click the "Go to the Store" link that appears there.)

3. On the Switch out of S mode (or similar) page that appears in the Microsoft Store, select the Get button. After you see a confirmation message on the page, you'll be able to install apps from outside of the Microsoft Store.

Activate pre-installed Office 365:
1.Launch any Office app >
2.Start your activation by signing in with your Microsoft account(Create a account if you don't have one yet) >
3.Click "Activative Office" >
4.Sign in your account and follow the next prompts. >
5.Complete Step 1,2 and 3 >
6.Click on Refresh once Office is ready >
7.Open a document and accept the license agreement.

Display: 14.0-inch diagonal, HD (1366 x 768), micro-edge, BrightView

Processor: Intel Celeron N4120, up to 2.6 GHz, 4 Cores & 4 Threads

Battery Life: Up to 10 hours

Graphics: Intel UHD Graphics 600

Webcam: HP True Vision 720p HD camera with integrated dual array digital microphones

Connectivity: 802.11a/b/g/n/ac Wi-Fi and Bluetooth

Operating System: Windows 11 Home in S mode