For Windows
Option 1: From the Internet
Find the official website of the program you want to install (avoid third-party or cracked sources).
Example: For Chrome
Download the installer file (.exe or .msi).
Once downloaded, open the file (double-click it).
You might see a User Account Control (UAC) prompt → click “Yes” to allow installation.
Follow the on-screen instructions (usually “Next → Next → Install → Finish”).
Once done, the program will appear in:
Start Menu
Or on your Desktop
Option 2: From a USB Drive or External Media
Plug in the USB or insert the installation DVD.
Open File Explorer → This PC → USB Drive.
Double-click the installer file.
Follow the same installation steps as above.
Option 3: From Microsoft Store
Open Microsoft Store (found in the Start Menu).
Search for the app.
Click Get / Install.
The system installs it automatically.
For macOS (MacBook / iMac)
Option 1: From the Internet
Go to the official website of the program.
Download the .dmg or .pkg file.
Open the downloaded file.
Drag the app icon into the Applications folder when prompted.
Eject the installer (drag it to Trash).
You can now open the app from Launchpad or Applications.
Option 2: From App Store
Open App Store from Dock or Launchpad.
Search for the program.
Click Get → Install.
Enter your Apple ID password if asked.