System Requirements for using Bitdefender on Windows

Before you install Bitdefender on Windows, it is best to check if your device meets the system requirements. If the computer does not meet all system requirements, Bitdefender will not be installed or, if installed, it will not work properly, and will cause system slowdowns and instability.

System requirements

You may install Bitdefender only on computers running the following operating systems:

Operating System: Windows 7 with Service Pack 1, Windows 8.1, Windows 10, Windows 11
Memory (RAM): 2 GB
Free hard disk space: 2.5 GB free space (at least 800 MB on the system drive)

* System performance may be affected on devices that have old-generation CPUs.

ⓘ Note: Only final and officially released operating systems are supported by Bitdefender software. Beta or Windows Insider Preview versions of new operating systems are not compatible.

Software requirements

To be able to use Bitdefender and all its features, your computer needs to meet the following software requirements:

Internet Explorer version 11

How to check system requirements

In this section, we will show you an easy way to check your PC’s basic hardware and software specifications such as the processor, memory, free space, and operating system version. To get started, choose your Windows version from the list below. Which version of Windows am I running?

For Windows 11

1. Click the ⊞ Windows Start menu and then type System.

2. In the search results, go to the Settings section and select the entry named System.

ⓘ Note: Alternatively, you can also open System by pressing the ⊞ key and I key on your keyboard simultaneously. Then click on About at the bottom of the window that appears on the screen.

3. A new window will appear on the screen. You will be able to see which Windows Edition is installed on your computer in the Windows specifications panel.

4. Next, check if you have enough memory installed to run Bitdefender. The amount of memory is displayed next to Installed RAM, in the Device specifications panel. Bitdefender requires at least 2 GB RAM to run properly.

For Windows 10

1. Go to your desktop and right-click on This PC. If you don’t have the This PC icon on your desktop, you can also click the Windows Start menu in the lower-left corner, type This PC, and right-click on it.

2. Select Properties.

3. In this window you will be able to see which Windows edition is currently installed on your PC.

4. Next, check if you have enough memory installed to run Bitdefender. This is displayed next to Installed memory (RAM). Bitdefender requires at least 2 GB RAM to run properly.

For Windows 8.1

1. Hold down simultaneously the Windows key and the X key on your keyboard, then click System Information in the menu that appears.

2. Here you will be able to see all the necessary information.

3. The name of the operating system appears in the Windows edition section.

4. Next, check if you have enough memory installed to run Bitdefender. This is displayed next to Installed memory (RAM). Bitdefender requires at least 2 GB RAM to run properly.

For Windows 7

1. First, click the Windows Start button in the lower-left corner of the screen.

2. Then right-click on Computer and select Properties. A window should come up on your screen summarizing basic system information.

3. The name of the operating system and the Service Pack appear in the Windows edition section. Service Pack 1 is required for Windows 7 computers.

4. Next, check if you have enough memory installed to run Bitdefender. This is displayed next to Installed memory (RAM). Bitdefender requires at least 2 GB RAM to run properly.

If your system meets all the requirements, you can proceed with the installation.

How do I check if my PC meets the System Requirements for running Bitdefender?