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