You can use Growl for Windows to get toast like notification on Windows 7 (more info).

1.3.1

• Added the following languages : Hungarian, Polish, Portuguese Brazil
  Thanks to everyone who sent me a translation 😘
• Added CreamAPI support
• Added an option to prefetch notification icon
• No longer skip game on error when parsing local ach file (Missing ach file = 0% game)

1.3.0

• Greenluma 2020 support
• Read Greenluma timestamp
• Toast will now use Windows 10 WinRT API if available for faster toast instead of PowerShell
• Toast progression will update itself instead of creating a new toast
• Added option to group toast by game within the Action Center
• Added Websocket broadcast toggle
• Added Balloon tooltip fallback (can be disabled)
• New notification option panel
• Added an option panel to toggle which source to import
  Display legit Steam game and watchdog cache import have been moved there
  LumaPlay is now deactivated by default, and will probably be removed later on
• Added a button to show hidden achievements temporarily
• Added Spanish & Spanish latam translation
• Notification tests are now made by the 'watchdog' process
• Upgraded to Electron 8
• Internal, layout and languages changes
  ( If I broke something that was working before, please let me know 😅 )

NB: Some of your settings will be reset to their default value with this update

1.2.6

• Added SSE's appdata folder to the default watched list (notification)
• Fixed 'Hide 0%' option regression

1.2.5

• SmartSteamEmu "stats.bin" file parser 🚀😁
• Portrait mode (You might want to erase your cache in %appdata%\Achievement Watcher\schema for this if you upgraded from previous version)
• Fixes, improvements, UI changes and dependencies update not worth mentioning in details

1.2.4

• Fixed adding user custom folder via GUI (sorry for the inconvenience)
  This bug concerns 1.2.2 and 1.2.3
• Added websocket to watchdog on port 8082 (more info)
  Watchdog will now push achievement information to every connected websocket client(s) when unlocking an achievement
• Updated Chinese (Simplified) language
• Multi-display setup: better primary display detection (souvenir/screenshot)

1.2.3

• Added a rare effect for achievement ≤ 10% of players have this
  (like the one in the new Steam UI)
• Added achievement sort option by percentage of rarity (x% of players have this)
• Added game search bar
• Small UI changes

1.2.2

• Goldberg Steam Emu support
• Better DARKSiDERS & Hoodlum support when using UserDataFolder=mydocs in ds.ini/hlm.ini
• Upgraded to electron 7
• Minor changes

1.2.1

• Added DARKSiDERS UserStats/achiev.ini file support

1.2.0

• Added a sort button to sort games by their most recent achievement
• Added a sort button to sort unlocked achievements by the most recent
• When not merging duplicates, the game-box will now show the source of achievements
• Kind of reworked the notification system :
  • Switch logic from timestamp only to track and compare
  • Improved support for all steam emus
• new Codex emu support
• Goldberg emu "pre-support" (merge request)
• Added option to notify on ach. progress, if available (cf. new Codex emu)
• Added option to use the new notification cache as another source of achievement.
  => Use this with Merge duplicates and Merge Time to oldest in order to correct timestamp quirks from various steam emulator such as :
  • Hoodlum, Darksiders, RLD! overwriting timestamp
  • Codex (new) not saving any timestamp
• Removed keep track option introduced in 1.1.7 and changed default timeTreshold from 5sec to 10sec
• Now use the high-res avatar from .accountpicture-ms
• Added icons, steam & steamdb links to the context menu

1.1.7

• Added & Improved support for DARKSiDERS, HOODLUM, ALI213 steam emu
• Added notification option to make gamepad vibrate when unlocking an achievement (xinput)
• Added advanced notification option to keep track of unlocked achievements to prevent notification of already unlocked achievement when the steam emu overwrites previous timestamp.
• Added UI option to choose which timestamp to display (most recent or oldest) when merging duplicates
• Internal Changes

1.1.6

• Added option to change the sound of the toast notification :
  • No sound
  • System default
  • Xbox achievement unlock
  • Xbox rare achievement unlock
  • Playstation trophy unlock
  • Win 10 notification generic
  • Win 8 notification generic
  • Android 9 notification popcorn
  • Discord reconnect

👋 If you have a cool sound to add feel free to contact me.

• RLD! Timestamp support and notification
• Added old Skidrow path to the default parsed folder list.
• Added option to show the description of an achievement, if any, in the notification
• Toast notification timestamp will now have the exact timestamp of the achievement (as per Microsoft recommandation)
• Added a check routine when adding or editing a user custom folder in order to prevent addition of an invalid folder
• More translation entry
• Minor changes & fixes

1.1.5

This release focus mainly on notification and previous Windows compatibility

• Windows 8 toast notification fallback
• GNTP (Growl Notification Transport Protocol)
• Minimum Windows version changed from 8 to 7
• Beware settings file has changed in this release due to new settings.
• Minor changes

1.1.4

• Hoodlum support
• ALI213 toast notification fix

1.1.3

• Bug fix
• Added a button to test toast notification in settings.

1.1.2

• Fixes again 😅
• Steam schema generation fallback for when a game is no longer available in the store.

1.1.1

• UI: Resizing up / Fullscreen will now take all the available space.
• Notification
  1 Added souvenir option to take a screenshot when you unlock an achievement
  2 Added a default option to prevent spam of notification when a game triggers multiple file writes at the same time
• Uplay API
• LumaPlay support
• Legit Steam default changed from Installed to disabled
• Bug fixes and improvements
• Internal changes (HTTP calls)

1.1.0

• Fixes and improvements
• Internal changes
• Switch to Electron5 / NodeJS12

1.0.9

• Bug fix

1.0.8

• RPCS3 (PS3 Emulator) Trophy parser
• Improved Russian (ru) lang

1.0.7

• Ach. unlock detection improvement (Toast notification)

1.0.6

• Bug fix and improvements
• Ach highlight (cmdline/URI/Toast notification onClick)

1.0.5

• Legit Steam support (Games: None/Installed/Owned)
• Server side blacklist
• UI improvements, fixes and dependencies security vulnerabilities

1.0.4

• Steam AppID Blacklist

1.0.3

• GLR (GreenLuma Reborn) and ALI213 support
• New option to hide 0% game
• fix ini parser bug with achievement name including dots in the name

1.0.2

• You can now add your own folders and choose to monitor them for notification or not
• Italian (ita) lang support
• Dependencies updated (security vulnerabilities)

1.0.1

• Small fixes

1.0.0

• Initial Release