diff --git a/runtime/compiler/powershell.vim b/runtime/compiler/powershell.vim
new file mode 100644
index 0000000..45d5ec2
--- /dev/null
+++ b/runtime/compiler/powershell.vim
@@ -0,0 +1,84 @@
+" Vim compiler file
+" Compiler:	powershell
+" URL: https://github.com/PProvost/vim-ps1
+" Last Change: 2020 Mar 30
+
+if exists("current_compiler")
+  finish
+endif
+let current_compiler = "powershell"
+
+if exists(":CompilerSet") != 2		" older Vim always used :setlocal
+  command -nargs=* CompilerSet setlocal <args>
+endif
+
+let s:cpo_save = &cpo
+set cpo-=C
+
+if !exists("g:ps1_makeprg_cmd")
+  if executable('pwsh')
+    " pwsh is the future
+    let g:ps1_makeprg_cmd = 'pwsh'
+  elseif executable('pwsh.exe')
+    let g:ps1_makeprg_cmd = 'pwsh.exe'
+  elseif executable('powershell.exe')
+    let g:ps1_makeprg_cmd = 'powershell.exe'
+  else
+    let g:ps1_makeprg_cmd = ''
+  endif
+endif
+
+if !executable(g:ps1_makeprg_cmd)
+  echoerr "To use the powershell compiler, please set g:ps1_makeprg_cmd to the powershell executable!"
+endif
+
+" Show CategoryInfo, FullyQualifiedErrorId, etc?
+let g:ps1_efm_show_error_categories = get(g:, 'ps1_efm_show_error_categories', 0)
+
+" Use absolute path because powershell requires explicit relative paths
+" (./file.ps1 is okay, but # expands to file.ps1)
+let &l:makeprg = g:ps1_makeprg_cmd .' %:p:S'
+
+" Parse file, line, char from callstacks:
+"     Write-Ouput : The term 'Write-Ouput' is not recognized as the name of a
+"     cmdlet, function, script file, or operable program. Check the spelling
+"     of the name, or if a path was included, verify that the path is correct
+"     and try again.
+"     At C:\script.ps1:11 char:5
+"     +     Write-Ouput $content
+"     +     ~~~~~~~~~~~
+"         + CategoryInfo          : ObjectNotFound: (Write-Ouput:String) [], CommandNotFoundException
+"         + FullyQualifiedErrorId : CommandNotFoundException
+
+" Showing error in context with underlining.
+CompilerSet errorformat=%+G+%m
+" Error summary.
+CompilerSet errorformat+=%E%*\\S\ :\ %m
+" Error location.
+CompilerSet errorformat+=%CAt\ %f:%l\ char:%c
+" Errors that span multiple lines (may be wrapped to width of terminal).
+CompilerSet errorformat+=%C%m
+" Ignore blank/whitespace-only lines.
+CompilerSet errorformat+=%Z\\s%#
+
+if g:ps1_efm_show_error_categories
+  CompilerSet errorformat^=%+G\ \ \ \ +\ %.%#\\s%#:\ %m
+else
+  CompilerSet errorformat^=%-G\ \ \ \ +\ %.%#\\s%#:\ %m
+endif
+
+
+" Parse file, line, char from of parse errors:
+"     At C:\script.ps1:22 char:16
+"     + Stop-Process -Name "invalidprocess
+"     +                    ~~~~~~~~~~~~~~~
+"     The string is missing the terminator: ".
+"         + CategoryInfo          : ParserError: (:) [], ParseException
+"         + FullyQualifiedErrorId : TerminatorExpectedAtEndOfString
+CompilerSet errorformat+=At\ %f:%l\ char:%c
+
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim:set sw=2 sts=2: