How to Install R and RStudio on Windows and macOS: A Beginner’s Guide
This step‑by‑step guide shows beginners how to download and install the R programming language and its RStudio IDE on both Windows and macOS, covering package selection, installation options, shortcut creation, verification of a successful setup, and common troubleshooting tips.
This article aims to guide R language beginners through installation of R and RStudio, providing basic instructions for Windows and macOS.
What is R?
R is a widely used programming language for statistical science and business, ranking high among languages. It is an open‑source, free software that integrates data manipulation, statistics, and visualization.
What is RStudio?
RStudio is an integrated development environment (IDE) for R. It receives frequent updates, and installing the latest version gives access to new features.
Downloading and Installing R
1. Download the installation package from the provided Baidu Cloud folder, choosing the appropriate version for Windows or macOS.
2. Run the installer and follow the prompts. On Windows, you can select language, installation path, component architecture (32‑bit or 64‑bit), and optional shortcuts. On macOS the installation is simpler—just open the downloaded file and follow the standard macOS installation steps.
3. After installation, you can launch R to verify it runs.
Downloading and Installing RStudio
1. Download the RStudio installer for your operating system from the same cloud folder.
2. Install RStudio like any other application. No additional configuration is required.
Testing the Installation
Open RStudio, type 1+1 and press Enter (Ctrl+Enter). If the console returns 2, the installation succeeded.
Important Notes
• RStudio does not include the R engine; R must be installed first.
• Use default installation paths when possible; avoid non‑ASCII characters in the path.
• If you encounter an error about missing files, locate the RStudio executable in the installation directory, run it as administrator, and the issue should be resolved.
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