Through small groups we will have the possibility of Recover all serial numbers from various applications that we have installed at a certain time within Windows; To do this, we will use a few tools and applications that you can use completely free and that you can download from their respective websites.
Some of these applications that we will suggest are portable, in which a few tabs that are part of its interface will be displayed. You have to know how to choose the correct tab and the appropriate button so that the suggested application, Help us recover the serial number of an application that we have installed within Windows.
1. LicenseCrawler
This is a simple tool that we could download right now if we want to recover the serial numbers of an application installed in Windows; It is portable and on your website Some alternatives are offered to download it from different servers.

Once we run it we will find a completely friendly interface; It is advisable to leave the tabs and boxes activated as LicenseCrawler shows us, and then press the button that says «Start Search«, at which point the search for all the serial numbers of the applications installed in Windows will begin. The results will be shown at the bottom, and we must search for the one in which we are interested.
2. MSKeyViewer Plus
With this alternative we can also recover the serial number of a group of applications installed in Windows and even of the same operating system.

The compatibility that this tool offers us is not extensive, since primarily the developer has mentioned that it can be used to recover the serial number that was used to install Windows and Office. You can also go to the "About" tab to review the list of applications compatible with MSKeyViewer Plus, which will help you recover the serial number of one of the applications supported by the tool.
3.Product Key Finder
Product Key Finder It is also a tool that we can download and use completely free to know the serial number of some applications that we have installed in the operating system. Unfortunately, the free offer offered by its developer involves having to watch a few advertisements during the installation process, something that we should try to avoid so as not to be filled with undesirable elements in Windows.

Hence, this tool is compatible with more than 200 applications and software programs; A fairly great convenience that Product Key Finder offers us is in the possibility of make a "backup" of the results obtained.
4. SoftKey Revealer
With SoftKey Revealer We can also recover the license number of some compatible applications, a list that you can review from the developer's website.

The list of applications supported by SoftKey Revealer is truly incredible, something that you can see if you visit that area on the developer's website.
5. Keyfinder Thing
For many people, this tool is one of the most popular that exists today, due to its compatibility with a large number of applications.

Keyfinder Thing is a free tool that has the ability to retrieve product key information for approximately 90 different titles. To be able to review the list of applications compatible with Keyfinder Thing, you just have to go to the “View” tab and then select the “software list” option.
With these alternatives that we have offered you, you will now have the possibility of recovering the license number (serial) of a few or all of the applications that you have installed in Windows; This becomes a great necessity if at a certain time we have acquired (bought) a computer with pre-installed applications; In addition, depending on the application we use to recover license numbers, we can also save this information in a file, either through the same tool or by simply copying or pasting to a notepad.