How to convert PDF to PDF/A

Converting a PDF file to a  PDF/A file is an operation that ensures its validity and integrity over the years. The PDF/A format was created specifically for long-term archiving. This format ensures that the file will always be opened and displayed in the same way, regardless of the program used, remaining faithful to its original formatting. Making this conversion is very simple, … Read more

How to freeze row or column in Microsoft Excel (and Google Sheets)

To keep a row or column static while you browse the rest of the worksheet, simply freeze the row (or column) in Microsoft Excel. It’s simple to do this also in Google Sheets (Google Drive). Below you will learn how to attach these cells to the table so that your spreadsheet with lots of data is easier to query. How to freeze … Read more

How to update Opera browser(Windows, MacOS and Linux)

If you are looking for the latest features of Opera Browser it is important to keep your browser up to date. The software will automatically download the update when it is available, but you can also manually check it. Doing this periodically is important if you do not use the browser often. The process is very similar in Windows, … Read more

How to disable Avast (passive mode)

Avast is one of the most popular antiviruses in the world that is appreciated for it s completeness – protects your computer from viruses and malware by constantly checking all online and offline activities – combined with a simplicity of use that makes it the preferred choice of many novice users. Why disable Avast and Enable … Read more

How to connect PS4 controller to Mac or Windows PC

Not sure how to connect PS4 controller to PC? Today we explain how to connect the PS4 joystick to a Windows PC and a Mac, also through Steam. Ready to learn how to connect PS4 controllers to PC? Before you start make sure you have a USB cable at hand like the one you use to charge your controller via the … Read more

What is 3D audio and how it works

You may have heard of headphones with 3D audio: such accessories promise a greater immersion in listening to music or enjoying a movie, but usually, they are much more expensive than ordinary headphones and headsets. There is, however, a much more affordable solution. The Microsoft introduced in Windows 10, a solution that emulates the 3D audio by software. So you can enjoy your music … Read more

Top 3 Free Video Converters to Convert Video Files to Any Format

Sometimes we are faced with a variety of formats that need to be converted to certain formats in order to save space on the hard disk or simply be reproduced on a specific device. The software available to convert a video file to another format is also uncountable, so we list the best free tools … Read more