This post will introduce how to scrub the three common obstacles when upgrading Windows 7/8/8.1 to Windows 10.
Namely, you will learn how to fix low disk space, blue screen of death.
recover lost files, these three problems.

Many Windows operating system users may receive an oops message when installing or upgrading Windows 10.
And sometimes the Windows 10 upgrade process may be stopped in the middle because of some errors and problems.
For detailed steps, kindly seeExtend Partition.

Since you need enough space on your PC hard drive for upgrading to Windows 10.
And you’ve got the option to directly delete unnecessary files, applications to release free space.
And you could view the post Blue Screen Error during Windows 10 Upgrade to get more details.

When a system crashes, most users choose to reinstall Windows.
Nevertheless, reinstalling will cause all data saved in C drive lost.
Under this situation, how can we transfer needed data out in advance?
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MiniTool Power Data Recovery Bootable Disk is capable of recovering data to another place without starting Windows.
For details steps, yo seedata recovery in crashed Windows.
And after Windows 10 upgrade, you find all these files disappeared.
Is there a way to recover lost desktop files after system upgrade or reinstallation?
Fortunately, MiniTool Power Data Recovery can help you do it with ease.
For detailed steps, hey seehow to recover data after reinstalling Windows.
Data loss from external hard drive?
MiniTool provides an effective solution and detailed steps for external hard drive recovery.