Beginner PHP Tutorial - 2 - Installing XAMPP Part 1
How do I install XAMPP?
XAMPP for Windows exists in three different flavors:

Installer:
Probably the easiest way to install XAMPP.

ZIP:
For purists: XAMPP as ordinary ZIP archive.

7zip:
For purists with low bandwidth: XAMPP as 7zip archive.

Note: If you extract the files, there can be false-positives virus warnings.