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+# How to use
+```shell
+./crackme-homework-generator --help
+./crackme-homework-generator -n 10
+./crackme-homework-generator -n 10 >> keys.txt
+```
+
+# How to build
+
+## To build and execute on the same system
+```shell
+cargo build --release
+cd target/release
+./crackme-homework-generator --help
+```
+
+## To build on linux and execute on Windows system
+### Prerequisites
+Arch Linux:
+```shell
+yay -S mingw-w64
+rustup target add x86_64-pc-windows-gnu 
+rustup toolchain install stable-x86_64-pc-windows-gnu
+````
+
+```shell
+cargo build --target x86_64-pc-windows-gnu --release
+cd target/x86_64-pc-windows-gnu/release
+...
+````
+Copy to Windows system **crackme-homework-generator.exe** file
+```shell
+crackme-homework-generator.exe --help
+```
+
+## Example output
+```shell
+❯ ./crackme-homework-generator -n 10
+0563-3236-4190-1904
+1477-7219-3871-4654
+8270-6092-1817-0971
+3928-9274-3649-9832
+8040-0732-4017-1191
+5234-4415-6152-5711
+9177-8781-6675-8088
+9060-4731-0582-3318
+0958-4729-6970-1867
+1084-3613-1435-6304
+
+```
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