Minimal .vimrc file for Windows. Note that my dotfiles are on BitBucket. For sake of compatibility I am maintaining a different version for Windows.

.vimrc

" {{
se nocompatible autoindent autoread autowrite autowriteall confirm cindent expandtab foldenable gdefault hidden hlsearch ignorecase incsearch lazyredraw lbr nu ruler sm sc smd scs smartindent sta spell splitright ttyfast undofile noerrorbells wildmenu wrap equalalways splitbelow wrapscan list
" }}

se dir=~/tmp/vimswapfiles//,~/.vim/vimswapfiles// bs=eol,start,indent,start cb=unnamed cc=-1 cot=menu,longest,preview enc=utf-8 ffs=unix fdm=marker foldlevel=0 fmr={{,}} foldopen=block,hor,insert,jump,mark,percent,quickfix,search,tag,undo formatoptions=tcqrn1 history=100 laststatus=2 matchtime=1 mouse=a nrformats=octal,hex,alpha scrolloff=5 shiftwidth=4 softtabstop=4 spl=en_us timeoutlen=300 tw=77 ts=4 undolevels=1000 udir=~/tmp/vimundo,~/.vim/vimundo uc=10 whichwrap+=<,>,[,],h,l wildchar=<tab> wig=*.o,*.obj,*.bak,*.exe,*.py[co],*.swp,*~,*.pyc,.svn guioptions-=T lcs=tab:?\ ,eol:¬,trail:·,nbsp:?
" ESSENTIALS
" ==========
" {{
filetype plugin indent on
let snips_author = 'Santosh Kumar'
let snips_author_twitter = '<https://twitter.com/sntshk>'
let snips_author_email = '<[email protected]>'
let date = strftime("%a %d %b %Y %T %Z")

function! WindowNumber()
    let str=tabpagewinnr(tabpagenr())
    return str
endfunction

se stl=%a\ %<%F\ %(%h%m%r%y%)\[%{&ff}\]\[buf:%n\]\[win:%{WindowNumber()}\]\ \ %=\ \ %(%o\ %b%)\ \|\ %(%c%V\ %l/%L\ %)%P

" HIGHLIGHT GROUP
" ===============
" {{
hi ColorColumn NONE ctermbg=Cyan
" }}
" CONDITIONAL SETTINGS
" ====================
"{{
if has('win32') || has('win64')
    se runtimepath=$HOME/.vim,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,$HOME/.vim/after
    se shell=powershell.exe
endif

if !exists("syntax_on")
    syntax on
endif


au FileType javascript set ts=4 sts=4 sw=4 et
au FileType css set ts=2 sts=2 sw=2 et
au FileType make set ts=8 sts=8 sw=8 noet
au BufReadPre *.j set ft=objc
au BufReadPre *.yml set ft=yaml
au BufReadPre *.md set ft=yaml
au BufReadPre *.txt set ft=text

au BufLeave,FocusLost ?* :up

" Don't check spelling if opened as vimdiff
if &diff | set nospell | endif

" }}
" MAPPINGS
" ========
" {{
let mapleader = ","

nnoremap ; :
vnoremap ; :

nnoremap / /\v
vnoremap / /\v

nnoremap + <c-w>_

let i = 1
while i <= 9
    execute 'nnoremap <Leader>' . i . ' :' . i . 'wincmd w<CR>'
    let i = i + 1
endwhile

nnoremap <leader>s :set spell!<cr>
nnoremap <leader>n :NERDTreeToggle<cr>

nnoremap <leader>f ggdG
nnoremap <silent> s :up<cr>

inoremap <silent> <esc><esc> <esc>:q<cr>
nnoremap <silent> <esc><esc> :q<cr>

nnoremap <leader>t :TlistToggle<cr>

nnoremap <leader>v :tabe ~/.vimrc<cr>

nnoremap <leader>7 :%s/\s\+$//<cr>:let @/=''<cr>\|:echo "cleared trailing spaces"<cr>

nnoremap <silent> <space> :set hlsearch!<cr>

nnoremap <tab> %

" quote current word
nnoremap <leader>" viw<esc>a"<esc>hbi"<esc>lel
vnoremap <leader>" <esc>a"<esc>`<i"<esc>
nnoremap <leader>' viw<esc>a'<esc>hbi'<esc>lel

" toggle current word to uppercase and lowercase
inoremap <c-u> <esc>g~iwi
vnoremap <c-u> ~

" move just half page on PageUp and PageDown
nnoremap <PageUp> <c-u>
nnoremap <PageDown> <c-d>
inoremap <PageUp> <esc><c-u>i
inoremap <PageDown> <esc><c-d>i

" use <F2> if pasting from external resource.
set pastetoggle=<F2>

nnoremap <F3> a<C-R>=strftime("%a %d %b %Y %r")<CR><Esc>
inoremap <F3> <C-R>=strftime("%a %d %b %Y %r")<CR>

inoremap <F4> <esc>:exe "set textwidth=" . (&tw ? 0 : 77)<cr>a

" press <F6> to reload current file from disk
nnoremap <F6> :e<cr>G
inoremap <F6> <esc>:e<cr>Gi

" }}
" FUNCTIONS
" =========
" {{
function! ReCur()
  if line("'\"") <= line("$")
    normal! g`"
    return 1
  endif
endfunction
au BufReadPost * call ReCur()

function! RemTrailSp()
    %s/\s\+$//e
endfun

" }}