获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

Tips: If you want a deeper scan, instead of selecting Quick scan in step 3, select Scan options and choose the type of scan you want.. For the most complete scan, run Microsoft Defender Offline. For more about that see Help protect my PC with Microsoft Defender Offline.

Step 2: Back up your folders. Windows Backup is an easy, single stop for all of your backup needs. Your free Microsoft account comes with 5 GB of OneDrive cloud storage (and more storage is available if you need it), and backing up your folders syncs the folders you specify to your OneDrive account, making them instantly accessible on all computers that you use with this Microsoft account.

If you don't want to sync all of your folders in OneDrive to your computer, you can specify which folders you'd like to sync. Learn more about how to choose which OneDrive folders to sync to your computer. To cancel an upload to the OneDrive website . On the top toolbar, select Uploading to show the Progress of each file.

Utilisez votre scanneur et téléchargez une application à partir du Microsoft Store pour numériser un document ou une image sur votre PC.

Переустановите Microsoft 365. Если Microsoft 365 уже был изначально установлен и вам необходимо переустановить его на том же или новом устройстве, у вас уже должна быть учетная запись Майкрософт, связанная с вашей копией Microsoft 365.

Note: If you don't see the option to Restore preinstalled apps, it means your PC doesn't have preinstalled apps configured. In versions of Windows 10 prior to version 2004 this feature was called Fresh Start and to use it you'd select Start > Settings > Update & security > Windows Defender > Device performance & health .

Microsoft 365 is a subscription service that makes sure you always have the most up-to-date modern productivity tools from Microsoft. There are Microsoft 365 plans for home and personal use, as well as for small and midsized businesses, large enterprises, schools, and non-profits.

How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!

This isn't the date you'll set, it's just a sample of how the format will look. Note that in versions prior to Excel 2016, this format might have a different sample date like 3/14/01 1:30 PM. 3. Subtract the two. In another cell, subtract the start date/time from the end date/time. The result will probably look like a number and decimal.