Windows Tutorials

All folders in the Win7 operation system computer are read-only by default. The reason why they cannot be modified is caused by system error. This article will tell you how to fix it step by step.

When I install the .Net framework 4.8 on windows 7, in the last installation wizard window, it said the error The timestamp signature and/or certificate could not be verified or is malformed. This error happened on all the Windows OS that version is earlier than Windows 10. This article will tell you how to fix

My desktop computer installed the Windows 7 OS, and I plug a USB wireless network card into it to connect with my router. But how can I use my iPhone hotspot as the router and use my Windows 7 PC to connect to it? This article will tell you the answer.

Recently, I found when I use my iPhone as a hotspot, I can not use it as WiFi to connect my Windows Laptop to the internet. This article will tell you how to fix it.

Run as administrator feature is very important on windows, it protects your Windows OS from security risks. This article will tell you how to run cmd as administrator both in graphical user interface and command line. The method can be used to run PowerShell as administrator and other windows programs also.

Windows environment variables are very important, it plays an important role in Windows OS. This article will tell you how to set windows environment variables both on GUI and command line.

When I use the sublime text editor to edit a text file and save it in Windows 10, it popup an alert dialog which shows Unable to save file Error, Access is denied. This article will tell you how to fix it.

I use Sourcetree to manage my example project source files on windows 10, and it uses a git version control system. But when I commit or merge my project files, it shows a Filename too long error. After investigating, I finally find the method to fix it.