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Click iCloud in the Windows Start menu to open iCloud.  You can also click Launch in the Microsoft Store once iCloud is finished installing. Click Yes if you asked if you want to allow iCloud to make changes to your device. Enter your Apple ID email address and password in the main iCloud for Windows window, then click Sign In. If you have two-factory authentication enabled, you will need to get a 6-digit code from your trusted iPhone or iPad device to verify your account. Check the box to the left of each app you want to use with iCloud. By default, most of the apps in the iCloud window should already be checked. It's in the bottom-right corner of the window. This will synchronize items from your computer. Items you can synchronize include photos and iCloud drive storage.  You can also synchronize your Google Chrome bookmarks, and your Mail email, contacts, calendars, and tasks with Outlook (provided your have Outlook installed on your Windows PC).  You may need to follow some on-screen prompts after clicking Apply. You can view your iCloud photos on the Photos Shared Albums app. To access your iCloud Drive, open File Explorer and click iCloud Drive in the panel to the left.
Open iCloud for Windows. Sign into your Apple ID. Select apps to synchronize. Click Apply.