Notes when upgrading from XP to Windows 7
switching from the world's most popular operating system to a new version of windows will be more difficult than upgrading from vista
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How to upgrade Windows 10 Mobile for supported Windows Phone 8.1 models
for those who are using windows phone 8.1, you can completely upgrade your phone to microsoft windows 10 mobile market, to enjoy the new features that this version brings.
Fix errors that automatically turn on WiFi on Windows 10 Mobile
after upgrading your phone to windows mobile 10, the error automatically turns on wifi. if the user does not notice, the battery will quickly exhaust, affecting the phone.