According to rules, it is necessary to keep your OS up to date. But in some conditions, you may face some difficulties in grabbing updates from server. If we talk about earlier OS updates than we can say that Win XP and 7 has some offline methods to update OS to latest ones. But now latest OS has no more offline updates so you should have a good network connection to fulfill this operation. WHDownloader is elegant utility that can search necessary hotfix and KB updates on server and grab them for your OS.
The app is so powerful that is designed to scan your OS and find compatible updates on server. Please keep in mind that updates are always supply performance, compatibility and powers to PC. If your Windows Update is not working properly or it is showing some kind of errors than you have a alternative way to find and download updates. Yes this tool is capable to search target updates for Windows OS and pick them that you want to download.
However, the size of tool is less than even from an image of digital camera. It means it is light and rich with powers. The interface is very clear which shows release date, size, category, type and KB/article information. You have the right to customize output directory where you want to download required updates.
It is fully compatible with Windows 7, Windows 8 and Windows 10 operating systems. Happy news for those who did not have an internet connection because they can simply copy these updates from friends PC into USB. Thus, you can install these files manually without net connection.