Jdk installation | Java installation | Java for beginners

Step-by-Step: Install Java (JDK 25)

1. Download JDK 25
Click this link (from Oracle — safe and official):
https://www.oracle.com/in/java/technologies/downloads/#jdk25-windows
On that page:
• Scroll to Windows
• Choose x64 Installer → click Download
File will be like: jdk-25_windows-x64_bin

2. Install JDK
1. Double-click installer
2. Click Next → Next → Install
3. Keep default installation path:
4. C:\Program Files\Java\jdk-25
5. Finish

3. Set Environment Variables (important)
1. Press Windows button→ Search Environment Variables
2. Click Edit the system environment variables
3. Click Environment Variables
Under System Variables:
• Click New
o Variable Name: JAVA_HOME
o Variable Value: C:\Program Files\Java\jdk-21
o Click OK
Now edit Path:
1. Select Path → Edit
2. Click New
3. Add: %JAVA_HOME%\bin
4. OK → OK → OK

4. Verify Installation
Open Command Prompt and run:
java -version
Expected output: java version "25…’
Then run:
javac -version
Expected: javac 25 ...

Download and install IntelliJ IDEA
Step 1: Open your browser
1. Go to Google and search: IntelliJ IDEA download
2. Click the JetBrains official site (first result)
3. You will see two versions:
o Community Edition (FREE) — Best for Java + Selenium
o Ultimate (Paid) — Not required for now
4. Click Download under Community Edition

Step 2 — Run the Installer
After download is completed:
1. Double-click the .exe file
2. Click Next, Next
3. Installation options:
o Select Add "Open Folder as Project"
o Select Create Desktop Shortcut
4. Click Next Install
5. After installation → Reboot is recommended

Step 3 — First Launch
1. Open IntelliJ IDEA
2. Select New Project
3. Choose:
o Java
o Set JDK path to: C:\Program Files\Java\jdk-25
4. Click Create
You will see a Java project workspace

First-time setup for Java in IntelliJ
1. Ensure IntelliJ recognizes your JDK
• Open IntelliJ
• Go to: File → Project Structure
• Select SDKs (left side)
• If no JDK is listed → click + → Add JDK
• Browse and select your JDK folder:
• C:\Program Files\Java\jdk-25
• Apply → OK

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