Add it to ".gitconfig" file in your user directory. Configuration & aliases for git.

gitconfig

[core]
#    autocrlf = true/input # it should be done explicit using .gitattributes https://help.github.com/en/github/using-git/configuring-git-to-handle-line-endings
[pull]
    rebase = true
[push]
    default = current
[alias]
    ls = log --pretty=format:"%C(yellow)%h%Cred%d\\ %Creset%s%Cgreen\\ [%an]" --decorate
    lst = log --pretty=format:%C(yellow)%h%Cred%d\\ %Creset%s%Cgreen\\ [%an] --decorate -10
    lds = log --pretty=format:"%C(yellow)%h\\ %ad%Cred%d\\ %Creset%s%Cgreen\\ [%an]" --decorate --date=short
    ll = log --pretty=format:"%C(yellow)%h%Cred%d\\ %Creset%s%Cgreen\\ [%an]" --decorate --numstat
    lol = log --graph --decorate --pretty=oneline --abbrev-commit --all

    cp = cherry-pick
    st = status -s
    ci = commit
    co = checkout
    br = branch 
    diff = diff --word-diff
    wdiff = diff --word-diff=plain
    dc = diff --cached
 
    r = reset
    r1 = reset HEAD^
    rh = reset --hard
    rh1 = reset --hard HEAD^
    rh2 = reset --hard HEAD^^
    
    ready = rebase -i @{u}
 
    amend = commit --amend -aC HEAD
    undo = reset --soft HEAD^
    #clean = add . && git rh
 
 #   standup = log --since '1 day ago' --oneline --author <YOUREMAIL> # hack it with your email and uncomment
 #   jira = log --since '6am' --oneline --author <YOUREMAIL> # hack it with your email and uncomment

# git-svn
    spull = svn rebase
    spush = svn dcommit

# even faster aliases
    aa = add --all
    com = checkout master
    cam = commit -am
    ac = !git add -A && git commit
    acam = !git add -A && git commit -am
    ri2 = rebase -i HEAD~2
    ri3 = rebase -i HEAD~3
    ri5 = rebase -i HEAD~5
    ri9 = rebase -i HEAD~9
    ri22 = rebase -i HEAD~22
    ri = rebase -i
    rc = rebase --continue
    ra = rebase --abort
    rs = rebase --skip
    mt = mergetool
    ref1 = reset --hard HEAD@{1}
    ref2 = reset --hard HEAD@{2}
    cv = checkout - # checkout on previous branch, faster to type than 'cb'
    rem = rebase master
    syncm = !git checkout master && git pull --rebase && git checkout - && git rebase master
    riom = rebase -i origin/master # rebase origin/master
    cppb = cherry-pick HEAD@{1} # Cherry-pick previous branch
    pushf = push --force-with-lease
    revh = revert HEAD
    fp = fetch --prune
    # Two aliases below are from https://stackoverflow.com/questions/7726949/remove-tracking-branches-no-longer-on-remote/28464339#28464339
    brprune = remote prune origin
    brclean = !git branch --merged >/tmp/merged-branches && vi /tmp/merged-branches && xargs git branch -d </tmp/merged-branches

    # Some common commit messages
    dead = commit -am 'Remove dead code'
    readme = commit *.md -m'Just update readme'

    # Add files based on extension
    cs = add *.cs
    js = add *.js
    ts = add *.ts
    sql = add *.sql
    json = add *.json
    java = add *.java
    yml = add *.yml

[merge]
    tool = kdiff3
[mergetool "kdiff3"]
    path = c:/Program Files/KDiff3/kdiff3.exe
[diff]
    tool = kdiff3
    guitool = kdiff3
[difftool "kdiff3"]
    path = c:/Program Files/KDiff3/kdiff3.exe
[mergetool]
    keepBackup = false
[fetch]
    prune = true

[color]
    ui = true