Installation
1. Double-click the downloaded installation file.
2. Move R-Studio.app to the Applications folder

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Installation
You can begin using the program as soon as the installation is finished.
3. Go to Applications in Finder and double-click R-Studio to start the program.

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When you start R-Studio for the first time on a Mac computer with Apple Silicon running under macOS Ventura and higher, a System Extension Blocked warning message will appear.

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At the same time R-Studio will throw its own message:

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If you need access to your system disk, click the Open System Preferences button on any of the messages, go to the Privacy & Security preferences, select App Store and identified developers in the Security section.
The To enable system extensions, you need to modify your security settings in the Recovery environment message will appear.

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Wait until you Mac is completely off and restart it to macOS Recovery Mode.
1. Quickly press the Touch ID or power button and then quickly hold it until the Loading up startup options message will appear on the screen.
2. Click Options and then click Continue.
In Startup Security Utility, select Reduced Security and then Allow user management of kernel extensions from identified developers.
3. Click the OK button and then restart your computer.
4. Upon restart, go to the go to the Privacy & Security preferences again and click the Enable System Extensions... button in the Security section.

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And restart computer.
R-Studio will start with full access to your system disk. You need to follow this procedure only once, next time R-Studio will start without these messages.
If you don't want to unblock R-Studio, click the Exit button on the R-Studio's message. R-Studio will start and work properly, but without access to the system disk and when you start R-Studio next time, its message will appear again. You will be able to unblock the program if needed.
When you start R-Studio for the first time, a System Extension Blocked warning message will appear.

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At the same time R-Studio will throw its own message:

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If you need access to your system disk, click the Open Security Preferences button on any of the messages, go to the Security and Privacy preferences, and click the Allow button.

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R-Studio will start with full access to your system disk. You need to follow this procedure only once, next time R-Studio will start without these messages.
Registration and Activation
Once the software is installed and run for the first time, access our email with the registration key and its copy attached in a .txt file. Open the attachment, then select and copy the key. You can also copy the key directly from the message, but sometimes the mail server may corrupt it.
The Please Register R-Studio for Mac Demo window will appear.
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You may register your copy of R-Studio if you already have a registration key, or continue in Demo mode if you want to estimate chances for successful data recovery. You may register your Demo version later on-the-fly without restarting the program
Please note that R-Studio software does not transmit your data to R-TT, except for the information outlined in our R-TT privacy policy.
If the license is not activated, the License Agreement window will appear.
Review the License Agreement and accept its terms and conditions, as you cannot continue without doing so.
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Then the registration window will appear at startup.
If the software is running in Demo mode or needs re-registration, access the registration window through the Help > Register menu.
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Enter your registration information and paste the registration key. Do not type it in manually.
Click the OK button. The License Activation window will appear.
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Select the checkbox and click the OK button.
If the computer you wish to license is connected to the internet, it will be activated automatically, and a Registration successful window will appear.
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If the computer to be licensed is offline, the Online Activation dialog box will appear.
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You can either copy and use the provided URL on another device connected to the Internet, or scan the QR code with a smartphone to get the activation code and enter it to complete the activation.
You can verify whether the activation was successful and see which license is tied to the hardware code of the licensed computer in the software's About window (Help>About).
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The R-Studio Emergency license is included with R-Studio Standalone and Corporate licenses. To learn how to create an R-Studio Emergency Startup Device and activate it, please review our article "Emergency File Recovery".
The R-Studio Agent and R-Studio Agent Emergency licenses are part of the R-Studio Corporate license. Detailed instructions for their use and activation can be found on our pages "Data Recovery over Network" and "Emergency Data Recovery over Network".
Uninstallation
Right-click the R-Studio application in the Applications folder and select Move to Trash.