Software setup
Install Arduino IDE on Windows or Mac
Install the current Arduino IDE 2 release on Windows or macOS and confirm that a board and serial port can be selected.
Step 1Install Arduino IDE 2
Choose the current IDE 2 package for the computer, then complete the normal application installation.
- On Windows, use the 64-bit installer for a normal installation and open the downloaded EXE.
- On macOS, choose Intel or Apple silicon to match the Mac, open the DMG and move Arduino IDE into Applications.
- Connect the board with a USB data cable after the IDE opens.
Arduino IDE board selector from Arduino Support.Step 2Open the board selector
The selector beside the Upload button lists detected boards and their ports.
- Choose the entry that shows the connected board name and its USB or serial port.
- If the board is not identified, choose Select other board and port instead of guessing from an unrelated port.
Arduino IDE board and port dialog from Arduino Support.Step 3Match the board and port
Use the two-column dialog when the IDE cannot identify the board automatically.
- Search for the exact board model on the left, then select the USB or serial port that appeared when the board was connected.
- Select OK, then open File > Examples > 01.Basics > Blink and upload it as a connection check.
Things to check
Use the current IDE 2 release for active support and security updates.
If no port appears, check the cable first, then reconnect the board and confirm that the required board package is installed.
A board may power on with a charge-only cable even though the IDE cannot upload through it.
Sources
Official downloads and instructions
Download pages and eligibility rules can change. Use these official links for the current package and requirements.