Full list of all 75 The Elder Scrolls V: Skyrim achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 3 DLC packs containing 25 achievements.
Collect 15 Daedric Artifacts
Pick 50 locks and 50 pockets
Read 50 Skill Books
Returned the Thieves Guild to its former glory
Complete "Darkness Returns"
Clear 50 dungeons
Learn 20 shouts
Complete "Dragonslayer"
Complete "The Fallen"
Capture Solitude or Windhelm
Capture Fort Sungard or Fort Greenwall
Complete "Glory of the Dead"
Become a member of the Circle
Complete "The Eye of Magnus"
Complete "Revealing the Unseen"
Complete 10 side quests
Get married
Escape from jail
Join the Companions
Bounty of 1000 gold in all nine holds
Complete "Elder Knowledge"
Join the College of Winterhold
Have 100,000 gold
Absorb 20 dragon souls
Successfully persuade, bribe, and intimidate
Complete "Alduin's Wall"
Complete "Diplomatic Immunity"
Get a skill to 100
Find 13 Standing Stones
Discover 100 Locations
Complete "Hail Sithis!"
Chop wood, mine ore, and cook food
Reach Level 25
Complete "Bound Until Death"
Complete 50 Misc Objectives
Acquire a Daedric Artifact
Join the Thieves Guild
Learn all three words of a shout
Complete "The Way of the Voice"
Reach Level 10
Buy a house
Make a smithed item, an enchanted item, and a potion
Join the Dark Brotherhood
Join the Stormcloaks or the Imperial Army
Absorb a dragon soul
Complete "Bleak Falls Barrow"
Reach Level 5
Select a Standing Stone blessing
Complete "Unbound"
Reach Level 50
Tame and ride 5 dragons
Craft an item out of Stalhrim
Learn the secrets of 5 Black Books
Complete "At the Summit of Apocrypha"
Complete "The Path of Knowledge"
Learn all 3 words of Dragon Aspect
Own a house in Raven Rock
Complete "The Temple of Miraak"
Discover 30 locations on the island of Solstheim
Arrive on Solstheim
Acquire 11 werewolf perks
Complete "Lost to the Ages"
Learn all three words of Soul Tear
Complete "Kindred Judgment"
Use the special power of Auriel's Bow
Complete "Beyond Death"
Complete "Awakening"
Change your face
Acquire 11 vampire perks
Defeat a Legendary Dragon
Build three houses
Buy three plots of land
Adopt a child
Build three wings on a house
Buy a plot of land