7 Best Portable Screen Recorder Software: Free Download for Windows

Some old version Windows computers are not suitable for launching a screen recorder with a large file size. Because such a program will more likely put a heavy burden on the old CPU and low storage space, consequently resulting in lagging performance. Therefore, when you’re using an old computer and have to record screen activities like meetings and lectures, you’d better use a portable screen recorder with small storage for quick launch and running.

Given that, this article lists 7 best portable screen recorders for Windows. All of these recorders allow you to record your Windows screen. Find the best portable screen recorder that suits your needs in this article.

iTop Screen Recorder - Best Portable Screen Recorder

iTop Screen Recorder is considered to be the best portable video recorder software in this list. This screen recorder can be launched quickly on Windows computers because of its small file size. In addition, you can capture activities on your screen including but not limited to recording zoom meeting, training, and teaching. 

You can get more beneficial effects by iTop Screen Recorder as follows:

Low CPU usage and small file size. With low CPU usage and small storage occupation, iTop Screen Recorder can be launched quickly and run smoothly on your PC. Additionally, this screen recorder supports to record a high-definition video without lagging.

Easy to record. iTop Screen Recorder has a clear and simple user interface. All functions will be shown up when you launch it. The hotkeys of Record, Pause, and Screenshot are accessible to control recording quickly. What’s more, online screen recorder of iTop Screen Recorder gives you convenience to record your screen without downloading.

Record any part of your screen. This feature of iTop Screen Recorder provides you with different options to record the screen. It is possible for you to record a part of your screen or a full screen. You can capture the webcam, as well.

Record audio from different devices. iTop Screen Recorder has two audio options, Microphone and Speaker. You are free to record with sound from the internal system, microphone, or both.

Edit your video. Video Editor is a built-in tool of iTop Screen Recorder that supports to add stickers, text, effects, transitions, and filters to your videos. This  free video editor enriches your video with its diverse functions.

Output videos in different formats. iTop Screen Recorder provides over 12 output video and audio formats like MP4, AVI, MKV, and MP3. Different formats make your video compatible with different players.

Now, follow the steps of recording screen with iTop Screen Recorder.

Step 1: Click the Download button and install this portable screen recorder on your PC.

Step 2: Launch iTop Screen Recorder and customize your settings. It’s your own decision to record an entire screen or a section of it. 

Step 3: Tap on the REC button and you will see the countdown on your screen. Once the countdown is finished, it starts to capture your screen activities.

ShareX - Open Source Portable Screen Recorder

ShareX is an open source portable screen recorder for Windows. It can be used to record any region of your screen, share various types of files, and save your video in the form of Gif. For your convenience, ShareX also provides hotkeys to control recording.

How to use: 

You can download ShareX on its official website. Open the software and move your mouse to Capture. There are different options for the recording area. Select one to start screen recording as per your needs.

CamStudio - Free Portable Screen Recorder

CamStudio is a completely free portable screen recorder that can record screen and audio activities for Windows. It creates AVI video files and its internal tool can turn AVI files into Streaming Flash videos. CamStudio also equips with other tools like Video and screen Annotations. 

How to use: 

Before recording the screen, you need to select the whole screen or just a section under the Region tab. Then tap on Record and save the video on your PC once the recording finished.

ScreenToGif - Powerful Portable Screen Recorder

ScreenToGif is a portable screen recorder for Windows with an extremely light file size. The portable tool comes with powerful functions to record, edit, and export videos. Apart from that, it integrates the screen, webcam, and board together. This board lets you record your drawings on a whiteboard.

How to use:

Launch the program and set the width and height of the region to be recorded. Then start to record your Windows desktop. When recording stops, the video will show on Editor automatically. Save your video as MP4, AVI, WMA, or other formats supported by the software.

ActivePresenter - One Setup Portable Screen Recorder

ActivePresenter, a screen recorder portable for Windows, creates videos on any part of your screen. It is also able to take screenshots and convert a presentation to a video in AVI, MP4, and WMV.

How to use:

Open the software after installation. On the Startup screen, choose Record Video directly. Select Recording Area and whether to enable Webcam or Audio according to your demands. Then tap on the REC button to start recording your screen and audio activities.

Screencast-O-Matic - Handy Portable Screen Recorder

It is easy to create and edit videos and images by this portable screen recorder, Screencast-O-Matic. You can directly record on the web page when you launch its portable version. Besides, A drawing tool of Screencast-O-Matic allows you to sketch the screen when you are recording. 

How to use:

Launch the recorder and go to its Screen Recording options. Select to record screen, webcam, or both. Record screen video and stop when the recording is done. You can save the video to your PC or upload it to the community of Screencast-O-Matic.

TinyTake - Fastest Portable Screen Recorder

TinyTake has a simple user interface without loads of commands. It is really fast to record screen activities and capture screenshots. With the help of this app, you can record a region, a window, or an entire screen. Basic editing options like comments addition are also available for polishing your recordings.

How to use:

All basic options are shown up on the home screen, where you can set your recording region. Then capture the video from your screen or webcam. Saving the video on a local folder or its cloud storage is up to you.

Vidnoz Flex - One-Step Portable Screen Recorder

Vidnoz Flex is an online portable screen recorder with a user-friendly interface and multiple recording modes that allow you to make instant recordings effortlessly. Apart from basic recording settings such as camera recording, microphone, selecting regions, etc., it also provides a teleprompter and dedicated scripts to suit your needs. Besides, robust editing features, seamless sharing, continuous video tracking and other features are also available to cater for your higher-level video recording demands. Give it a try!

How to use: 

After logging in, click "Create Video" at the upper right of the screen and select "Record Video" to enter the settings. Then hit "Start Recording" to start video creation after you have set your preferences.

The Bottom Line

No matter how old your Windows computer version is to record the screen, there are multiple choices of portable screen recorders that you can free download. Considering the portability and versatility, iTop Screen Recorder, known as a screen and webcam recorder, is the top choice in the article. Under the premise of lightweight installation, quick launch, and smooth process, you have more options like flexible recording region, audio selection, and video editor. Try to record your screen with the best portable screen recorder now!