how to save my microsoft surface book information into my icloud?

Hi Bionutri,

For help with iCloud for Windows, be sure your device meets the requirements outlined in the article here first: System requirements for iCloud

If met, check out the steps below found here to get started: Set up iCloud for Windows on your PC - Apple Support

"Set up iCloud for Windows on your PC

With iCloud for Windows, you can access information stored in iCloud on your PC.

Note: Before you can use iCloud for Windows, you must set up iCloud on an iPhone, iPad, iPod touch, or Mac. See Set up iCloud on all your devices in the iCloud User Guide.

1. If you don’t already have it, download iCloud for Windows from the Microsoft Store. See the Apple Support article Download iCloud for Windows.
2. On your Windows computer, open iCloud for Windows.
3. Sign in with your Apple ID.
4. Make sure to sign in with the same Apple ID that you use on your iPhone, iPad, iPod touch, or Mac.
5. Select or deselect each feature, then click Apply.

"

There's also helpful information in the guide here: What is iCloud for Windows? and here: View, add, or remove iCloud Drive files in iCloud for Windows

Cheers.