CS 1.6 System Requirements, Counter-Strike 1.6 System Requirements
This is the page which will provide you with information about minimum and recommended system requirements for CS 1.6.

Warzone CS 1.6 System Requirements

Minimum requirements: CPU:
500 mhz processor
RAM:
96mb ram
GPU:
16mb video card
OS: Windows XP, Windows 95, Windows 7, Windows Vista, Windows 8, Windows 8.1, windows 10, windows 11

Recommended requirements:
CPU:
800 mhz processor
RAM:
128mb ram
GPU:
32mb+ video card
OS:
Windows XP, Windows 95, Windows 7, Windows Vista, Windows 8, Windows 8.1, windows 10, windows 11

Is internet connection required for cs 1.6?

It is not mandatory to have working internet connection to play Cs 1.6. Internet (ethernet) connection is required only to download cs 1.6 install/setup files to set up Counter-Strike 1.6 game on your computer.
Internet connection is suggested and may be working in order to play Online, Multiplayer cs 1.6.

Do I have to have strong computer?

Absolutely no. CS 1.6 is not a hard and much PC resources requiring game. It run smoothly on almost every computer around the world.
Many years gone by and we're pretty sure less than 10% left with something like Intel Pentium processors.

Will my computer run Cs 1.6?

In much cases yes. Dont forget to run game "Run as Administrator". Why? Some computers may stop launching CS 1.6 (hl.exe). Thats why we need to use run as administrator function.
Right click your mouse on CS 1.6 Shortcut and press Run as Administrator. Thats it! Easy, huh :)
Easy to download - choose your version of the download cs 1.6!

Why CS 1.6 requires working keyboard and mouse?

Because it is required for cs 1.6 movement, WASD keys to move around. And mouse to use +attack1, +attack2 bind functions.
Surely, if you have laptop you can play cs with laptop's touchpad. Still, it is not recommended and guess what... It's not very easy to play like that.

Useful links

CS 1.6 clean version can be downloaded here - https://originalcs16.com/ and share it with others!