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