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