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