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