Winup 3.1 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This free tool was originally designed by Winup.
Winup lies within System Utilities, more precisely System Optimization. This free PC software is developed for Windows XP/XP Professional/Vista/7/8/10/11 environment, 32-bit version. The following versions: 3.1, 3.0 and 2.9 are the most frequently downloaded ones by the program users. The program's installer files are generally known as actualizar.exe, updater.exe or WinUp.exe etc.
From the developer:
Winup is a practical self installed package that contains all Microsoft official patches for Windows XP. It helps you to prevent downloading through Windows Update and it's especially useful if you have several computers, so you will not have to download to every one. It's specially designed for home users or IT that must install Windows XP patches on computers with no Internet connection.
You may want to check out more software, such as I8kfanGUI, ActiveSpeed or CheckIt Diagnostics, which might be related to Winup.