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