To download and install the Java Runtime Environment (JRE) for Windows 10, go to the Java website, accept the license agreement, and download the appropriate installer for your system (32-bit or 64-bit).  Follow these steps below for more detailed information:

How to install Java Runtime Environment (JRE)

Step 1: Download JRE

1. Go to the official Oracle website:

Java Downloads | Oracle

2. Choose the appropriate version:

• If you need JRE for personal use, download Java SE Runtime Environment (JRE).

• If you’re developing Java applications, you might need the Java Development Kit (JDK) instead.

3. Select the Windows version:

• Choose the Windows x64 Installer (.exe) for 64-bit systems.

• Accept the Oracle License Agreement.

4. Click the Download button and sign in with an Oracle account if required.

Step 2: Install JRE

1. Once the .exe file is downloaded, double-click it to run the installer.

2. Follow the on-screen installation instructions.

3. Choose the installation directory or leave it as the default (C:\Program Files\Java\jreX).

4. Click Install and wait for the process to complete.

Read more: How to Upgrade From Windows 7 to Windows 10

Step 3: Verify Installation

1. Open Command Prompt (Win + R, type cmd, press Enter).

2. Type the following command and press Enter:

java -version

3. If installed correctly, you should see an output like:

java version “1.8.0_XXX”

Java(TM) SE Runtime Environment (build 1.8.0_XXX)

Java HotSpot(TM) 64-Bit Server VM

If you encounter any issues, ensure that Java is added to the system’s environment variables or restart your PC.