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