Intall build-essential (Mandatory. Do this once in the Linux Terminal) !!!

sudo apt-get install build-essential

Intall libx11-dev (Mandatory. Do this once in the Linux Terminal) !!!

sudo apt-get install libx11-dev

Intall libxtst-dev (Mandatory. Do this once in the Linux Terminal)!!!

sudo apt-get install libxtst-dev

1. Download Repo:

Open Linux terminal then type:
git clone https://github.com/needitem/its-Nika-Nika

2. Get inside the folder

cd Nika

3. Compile the program:

make

4. Open Apex

Open steam and start apex and wait for it to fully start

5. Run the program and enjoy

sudo ./a.out

Credits

[shook1 UC - CopiPasta/The Offset Updater #1g #1stGeneration] 
[Pesci-Apu aka Acknowledge on UC  Nika Original & All the beautiful code written here]
[arturzxc UC - Linux Original C++ & Grinder]
[Azreol UC - Xap-client]
[duckman6969 UC - FixSkillIssue]
[Acknowledge UC - Already Mentioned, why not another?] ^|v
[Gerosity UC - The Legendary ch34t3r]